NGWS SDK Documentation  

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RowsCollection.Contains

Gets a value indicating whether any row in the collection contains a specified value in the primary key or keys column.

Overload List

Gets a value indicating if the DataRow with the specified primary key values exists.

[Visual Basic] Overloads Public Function Contains(Object()) As Boolean
[C#] public bool Contains(Object[]);
[C++] public: bool Contains(Object*[]);
[JScript] public function Contains(Object[]) : Boolean;

Gets a value indicating whether the primary key of any row in the collection contains the specified value.

[Visual Basic] Overloads Public Function Contains(Object) As Boolean
[C#] public bool Contains(Object);
[C++] public: bool Contains(Object*);
[JScript] public function Contains(Object) : Boolean;

Example [Visual Basic]

The following example uses the Contains method to determine if a RowsCollection object contains a specific value.

Note   This example shows how to use one of the overloaded versions of Contains. For other examples that may be available, see the individual overload topics.

[Visual Basic]

Private Sub ColContains()
   Dim t As DataTable
   Dim rc As RowsCollection
   Set t = DataGrid1.DataGridTable.DataTable
   Set rc = t.Rows
   If rc.Contains(Edit1.Text) Then
      Label1.Text = "At least one row contains " & Edit1.Text 
   Else
      Label1.Text = "No row contains the value in its primary key field"
   End If
End Sub

See Also

RowsCollection Class | RowsCollection Members | System.Data Namespace