DataView.RowFilter Property
Gets or sets the expression used to filter which rows are viewed in the DataView.
Assembly: System.Data (in System.Data.dll)
'Declaration Public Overridable Property RowFilter As String 'Usage Dim instance As DataView Dim value As String value = instance.RowFilter instance.RowFilter = value
Property Value
Type: System.StringA string that specifies how rows are to be filtered. For more information, see the Remarks section.
To form a RowFilter value, specify the name of a column followed by an operator and a value to filter on. The value must be in quotation marks. For example:
"LastName = 'Smith'"
See the Expression property of the DataColumn class for more information.
To return only those columns with null values, use the following expression:
"Isnull(Col1,'Null Column') = 'Null Column'"
The following example creates a DataView and sets its RowFilter property.
Private Sub MakeDataView() Dim view As DataView = New DataView With view .Table = DataSet1.Tables("Suppliers") .AllowDelete = True .AllowEdit = True .AllowNew = True .RowFilter = "City = 'Berlin'" .RowStateFilter = DataViewRowState.ModifiedCurrent .Sort = "CompanyName DESC" End With ' Simple-bind to a TextBox control Text1.DataBindings.Add("Text", view, "CompanyName") End Sub
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The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.