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DataGrid Sort

Sorts the records in a datagrid form when clicking on the column header. Toggles between ascending/descending sort order.

Original Author: Daniel Gaudin


I assume that the connection is established and that the recordset has been opened.
Besides that I would really appreciate your feedback. Let me know if you have other ideas on how to accomplish this. I'd specially like to know if there is a "nicer" alternative to the nested if-statement.

Side Effects

Not that I could see ;)

API Declarations

Dim WithEvents adoPrimaryRS As Recordset


Private Sub grdDataGrid_HeadClick(ByVal ColIndex As Integer)
Dim strColName As String
Static bSortAsc As Boolean
Static strPrevCol As String

strColName = grdDataGrid.Columns(ColIndex).DataField

' Did the user click again on the same column ? If so, check
' the previous state, in order to toggle between sorting ascending
' or descending. If this is the first time the user clicks on a column
' or if he/she clicks on another column, then sort ascending.
If strColName = strPrevCol Then
  If bSortAsc Then
   adoPrimaryRS.Sort = strColName & " DESC"
   bSortAsc = False
   adoPrimaryRS.Sort = strColName
   bSortAsc = True
  End If
  adoPrimaryRS.Sort = strColName
  bSortAsc = True
End If
strPrevCol = strColName
End Sub

About this post

Posted: 2002-06-01
By: ArchiveBot
Viewed: 196 times


Visual Basic 6


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