GetFilterExpression Method

Gets the filter expression for the column.

Syntax

Visual Basic
C#

'Declaration
 
Public Function GetFilterExpression() As System.String

public System.string GetFilterExpression()

Return Value

The filter expression for the column

Remarks

Use this method in your implementations of custom filtering.

Example

Example shows how to build a row filter using GetFilterExpression method.

' raised when the filter changes
Private Sub C1TrueDBGrid1_FilterChange(ByVal sender As Object, ByVal e As System.EventArgs) Handles C1TrueDBGrid1.FilterChange
   ' build our filter expression
   Dim sb As New System.Text.StringBuilder()
            
   Dim dc As C1.Win.C1TrueDBGrid.C1DisplayColumn
            
   For Each dc In Me.C1TrueDBGrid1.Splits(0).DisplayColumns
     ' get the filter expression for the column
     Dim cond As String = dc.GetFilterExpression()
     If cond <> "" Then
       If sb.ToString() <> "" Then
         sb.Append(" AND ")
       End If
       sb.Append(cond)
     End If
            
  Next dc
  ' filter the data
  Me.DataSet11.Tables(0).DefaultView.RowFilter = sb.ToString()
End Sub

Reference

C1DisplayColumn Class
C1DisplayColumn Members