Visual Basic .NET - Read Less - Learn More/Visual_Basic.NET_Read_Less_Learn_More_Richard_Bowman_Visual_2002.iso/Resources/Code/Ch9-ValidateData/Form1.vb

Text File | 2001-08-23 | 29.1 KB | 298 lines

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    Friend WithEvents SqlSelectCommand1 As System.Data.SqlClient.SqlCommand
    Friend WithEvents SqlInsertCommand1 As System.Data.SqlClient.SqlCommand
    Friend WithEvents SqlUpdateCommand1 As System.Data.SqlClient.SqlCommand
    Friend WithEvents SqlDeleteCommand1 As System.Data.SqlClient.SqlCommand
    Friend WithEvents SqlConnection1 As System.Data.SqlClient.SqlConnection
    Friend WithEvents SqlDataAdapter1 As System.Data.SqlClient.SqlDataAdapter
    Friend WithEvents DsNorthwind1 As Ch9_ValidateData.DsNorthwind
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents ErrorProvider1 As System.Windows.Forms.ErrorProvider

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.Container

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ErrorProvider1 = New System.Windows.Forms.ErrorProvider()
        Me.DsNorthwind1 = New Ch9_ValidateData.DsNorthwind()
        Me.SqlUpdateCommand1 = New System.Data.SqlClient.SqlCommand()
        Me.SqlConnection1 = New System.Data.SqlClient.SqlConnection()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.SqlDataAdapter1 = New System.Data.SqlClient.SqlDataAdapter()
        Me.SqlDeleteCommand1 = New System.Data.SqlClient.SqlCommand()
        Me.SqlInsertCommand1 = New System.Data.SqlClient.SqlCommand()
        Me.SqlSelectCommand1 = New System.Data.SqlClient.SqlCommand()
        Me.TextBox2 = New System.Windows.Forms.TextBox()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        CType(Me.DsNorthwind1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'ErrorProvider1
        '
        Me.ErrorProvider1.DataMember = "Customers"
        Me.ErrorProvider1.DataSource = Me.DsNorthwind1
        '
        'DsNorthwind1
        '
        Me.DsNorthwind1.DataSetName = "DsNorthwind"
        Me.DsNorthwind1.Locale = New System.Globalization.CultureInfo("en-US")
        Me.DsNorthwind1.Namespace = "http://www.tempuri.org/DsNorthwind.xsd"
        '
        'SqlUpdateCommand1
        '
        Me.SqlUpdateCommand1.CommandText = "UPDATE Customers SET CustomerID = @CustomerID, CompanyName = @CompanyName, Contac" & _
        "tName = @ContactName, ContactTitle = @ContactTitle, Address = @Address, City = @" & _
        "City, Region = @Region, PostalCode = @PostalCode, Country = @Country, Phone = @P" & _
        "hone, Fax = @Fax WHERE (CustomerID = @Original_CustomerID) AND (Address = @Origi" & _
        "nal_Address OR @Original_Address1 IS NULL AND Address IS NULL) AND (City = @Orig" & _
        "inal_City OR @Original_City1 IS NULL AND City IS NULL) AND (CompanyName = @Origi" & _
        "nal_CompanyName) AND (ContactName = @Original_ContactName OR @Original_ContactNa" & _
        "me1 IS NULL AND ContactName IS NULL) AND (ContactTitle = @Original_ContactTitle " & _
        "OR @Original_ContactTitle1 IS NULL AND ContactTitle IS NULL) AND (Country = @Ori" & _
        "ginal_Country OR @Original_Country1 IS NULL AND Country IS NULL) AND (Fax = @Ori" & _
        "ginal_Fax OR @Original_Fax1 IS NULL AND Fax IS NULL) AND (Phone = @Original_Phon" & _
        "e OR @Original_Phone1 IS NULL AND Phone IS NULL) AND (PostalCode = @Original_Pos" & _
        "talCode OR @Original_PostalCode1 IS NULL AND PostalCode IS NULL) AND (Region = @" & _
        "Original_Region OR @Original_Region1 IS NULL AND Region IS NULL); SELECT Custome" & _
        "rID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, " & _
        "Country, Phone, Fax FROM Customers WHERE (CustomerID = @Select_CustomerID)"
        Me.SqlUpdateCommand1.Connection = Me.SqlConnection1
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@CustomerID", System.Data.SqlDbType.NChar, 5, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CustomerID", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@CompanyName", System.Data.SqlDbType.NVarChar, 40, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CompanyName", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@ContactName", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactName", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@ContactTitle", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactTitle", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Address", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Address", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@City", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "City", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Region", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Region", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@PostalCode", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "PostalCode", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Country", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Country", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Phone", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Phone", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Fax", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Fax", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_CustomerID", System.Data.SqlDbType.NChar, 5, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CustomerID", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Address", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Address", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Address1", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Address", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_City", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "City", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_City1", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "City", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_CompanyName", System.Data.SqlDbType.NVarChar, 40, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CompanyName", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_ContactName", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactName", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_ContactName1", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactName", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_ContactTitle", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactTitle", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_ContactTitle1", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactTitle", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Country", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Country", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Country1", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Country", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Fax", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Fax", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Fax1", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Fax", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Phone", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Phone", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Phone1", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Phone", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_PostalCode", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "PostalCode", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_PostalCode1", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "PostalCode", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Region", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Region", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Original_Region1", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Region", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlUpdateCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Select_CustomerID", System.Data.SqlDbType.NChar, 5, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CustomerID", System.Data.DataRowVersion.Current, Nothing))
        '
        'SqlConnection1
        '
        Me.SqlConnection1.ConnectionString = "data source=VSNET-2;initial catalog=Northwind;integrated security=SSPI;persist se" & _
        "curity info=False;workstation id=VSNET-2;packet size=4096"
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(16, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(80, 16)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "Customer ID:"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(16, 48)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(80, 16)
        Me.Label2.TabIndex = 2
        Me.Label2.Text = "Company:"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(144, 80)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(32, 32)
        Me.Button1.TabIndex = 4
        Me.Button1.Text = "<"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(176, 80)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(32, 32)
        Me.Button2.TabIndex = 5
        Me.Button2.Text = ">"
        '
        'SqlDataAdapter1
        '
        Me.SqlDataAdapter1.DeleteCommand = Me.SqlDeleteCommand1
        Me.SqlDataAdapter1.InsertCommand = Me.SqlInsertCommand1
        Me.SqlDataAdapter1.SelectCommand = Me.SqlSelectCommand1
        Me.SqlDataAdapter1.TableMappings.AddRange(New System.Data.Common.DataTableMapping() {New System.Data.Common.DataTableMapping("Table", "Customers", New System.Data.Common.DataColumnMapping() {New System.Data.Common.DataColumnMapping("CustomerID", "CustomerID"), New System.Data.Common.DataColumnMapping("CompanyName", "CompanyName"), New System.Data.Common.DataColumnMapping("ContactName", "ContactName"), New System.Data.Common.DataColumnMapping("ContactTitle", "ContactTitle"), New System.Data.Common.DataColumnMapping("Address", "Address"), New System.Data.Common.DataColumnMapping("City", "City"), New System.Data.Common.DataColumnMapping("Region", "Region"), New System.Data.Common.DataColumnMapping("PostalCode", "PostalCode"), New System.Data.Common.DataColumnMapping("Country", "Country"), New System.Data.Common.DataColumnMapping("Phone", "Phone"), New System.Data.Common.DataColumnMapping("Fax", "Fax")})})
        Me.SqlDataAdapter1.UpdateCommand = Me.SqlUpdateCommand1
        '
        'SqlDeleteCommand1
        '
        Me.SqlDeleteCommand1.CommandText = "DELETE FROM Customers WHERE (CustomerID = @CustomerID) AND (Address = @Address OR" & _
        " @Address1 IS NULL AND Address IS NULL) AND (City = @City OR @City1 IS NULL AND " & _
        "City IS NULL) AND (CompanyName = @CompanyName) AND (ContactName = @ContactName O" & _
        "R @ContactName1 IS NULL AND ContactName IS NULL) AND (ContactTitle = @ContactTit" & _
        "le OR @ContactTitle1 IS NULL AND ContactTitle IS NULL) AND (Country = @Country O" & _
        "R @Country1 IS NULL AND Country IS NULL) AND (Fax = @Fax OR @Fax1 IS NULL AND Fa" & _
        "x IS NULL) AND (Phone = @Phone OR @Phone1 IS NULL AND Phone IS NULL) AND (Postal" & _
        "Code = @PostalCode OR @PostalCode1 IS NULL AND PostalCode IS NULL) AND (Region =" & _
        " @Region OR @Region1 IS NULL AND Region IS NULL)"
        Me.SqlDeleteCommand1.Connection = Me.SqlConnection1
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@CustomerID", System.Data.SqlDbType.NChar, 5, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CustomerID", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Address", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Address", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Address1", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Address", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@City", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "City", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@City1", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "City", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@CompanyName", System.Data.SqlDbType.NVarChar, 40, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CompanyName", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@ContactName", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactName", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@ContactName1", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactName", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@ContactTitle", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactTitle", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@ContactTitle1", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactTitle", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Country", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Country", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Country1", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Country", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Fax", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Fax", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Fax1", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Fax", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Phone", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Phone", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Phone1", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Phone", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@PostalCode", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "PostalCode", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@PostalCode1", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "PostalCode", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Region", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Region", System.Data.DataRowVersion.Original, Nothing))
        Me.SqlDeleteCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Region1", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Region", System.Data.DataRowVersion.Original, Nothing))
        '
        'SqlInsertCommand1
        '
        Me.SqlInsertCommand1.CommandText = "INSERT INTO Customers(CustomerID, CompanyName, ContactName, ContactTitle, Address" & _
        ", City, Region, PostalCode, Country, Phone, Fax) VALUES (@CustomerID, @CompanyNa" & _
        "me, @ContactName, @ContactTitle, @Address, @City, @Region, @PostalCode, @Country" & _
        ", @Phone, @Fax); SELECT CustomerID, CompanyName, ContactName, ContactTitle, Addr" & _
        "ess, City, Region, PostalCode, Country, Phone, Fax FROM Customers WHERE (Custome" & _
        "rID = @Select_CustomerID)"
        Me.SqlInsertCommand1.Connection = Me.SqlConnection1
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@CustomerID", System.Data.SqlDbType.NChar, 5, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CustomerID", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@CompanyName", System.Data.SqlDbType.NVarChar, 40, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CompanyName", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@ContactName", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactName", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@ContactTitle", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "ContactTitle", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Address", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Address", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@City", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "City", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Region", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Region", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@PostalCode", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "PostalCode", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Country", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Country", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Phone", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Phone", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Fax", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, True, CType(0, Byte), CType(0, Byte), "Fax", System.Data.DataRowVersion.Current, Nothing))
        Me.SqlInsertCommand1.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Select_CustomerID", System.Data.SqlDbType.NChar, 5, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "CustomerID", System.Data.DataRowVersion.Current, Nothing))
        '
        'SqlSelectCommand1
        '
        Me.SqlSelectCommand1.CommandText = "SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region," & _
        " PostalCode, Country, Phone, Fax FROM Customers"
        Me.SqlSelectCommand1.Connection = Me.SqlConnection1
        '
        'TextBox2
        '
        Me.TextBox2.DataBindings.Add(New System.Windows.Forms.Binding("Text", Me.DsNorthwind1, "Customers.CompanyName"))
        Me.TextBox2.Location = New System.Drawing.Point(104, 48)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.Size = New System.Drawing.Size(152, 20)
        Me.TextBox2.TabIndex = 3
        Me.TextBox2.Text = "TextBox2"
        '
        'TextBox1
        '
        Me.TextBox1.DataBindings.Add(New System.Windows.Forms.Binding("Text", Me.DsNorthwind1, "Customers.CustomerID"))
        Me.TextBox1.Location = New System.Drawing.Point(104, 24)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(80, 20)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = "TextBox1"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 197)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button2, Me.Button1, Me.TextBox2, Me.Label2, Me.TextBox1, Me.Label1})
        Me.Name = "Form1"
        Me.Text = "Form1"
        CType(Me.DsNorthwind1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        SqlDataAdapter1.Fill(DsNorthwind1, "Customers")
        ErrorProvider1.ContainerControl = Me
    End Sub

    Private Sub TextBox1_Validating(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles TextBox1.Validating
        If TextBox1.Text.Length() > 5 Then
            Dim position As Integer
            position = Me.BindingContext(DsNorthwind1, _
                "Customers").Position
            Dim row As DataRow = _
                DsNorthwind1.Customers.Rows(position)
            Dim errMsg As String = "Cannot be longer than 5 characters"
            row.SetColumnError("CustomerID", errMsg)
            e.Cancel = True
        End If
    End Sub
    Private Sub TextBox1_Validated(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.Validated
        Dim position As Integer = _
            Me.BindingContext(DsNorthwind1, "Customers").Position
        Dim row As DataRow = DsNorthwind1.Customers.Rows(position)
        row.SetColumnError("CustomerID", "")
    End Sub


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Me.BindingContext(DsNorthwind1, "Customers").Position -= 1
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Me.BindingContext(DsNorthwind1, "Customers").Position += 1
    End Sub
End Class