NGWS SDK Documentation  

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GridColumnsCollection.Contains (DataColumn)

Gets a value indicating whether the TBD contains a DataGridColumn associated with the specified DataColumn.

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

Parameters

dataColumn
The TBD associated with the desired DataGridColumn.

Return Value

true if the collection contains the DataGridColumn; otherwise, false.

Remarks

Use the Contains method to determine if a particular DataGridColumn object exists before invoking the Remove method to remove the item. If you need to know the index of a particular DataGridColumn, use the IndexOf method.

Example [Visual Basic]

The following example uses the Contains method to determine if a TBD contains a TBD associated with a specified DataColumn.

[Visual Basic]

Private Sub ContainsThisDataCol()
   Dim dc As DataColumn
   Dim trueOrFalse As Boolean
   ' Set the variable to a known column in the grid's DataTable.
   Set dc = DataGrid1.DataGridTable.DataTable.Columns("Fname")
   trueOrFalse = DataGrid1.GridTables.Contains(dc)
   Debug.Print trueOrFalse
End Sub

See Also

GridColumnsCollection Class | GridColumnsCollection Members | System.WinForms Namespace | GridColumnsCollection.Contains Overload List | DataColumn | IndexOf | Item | Remove