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Denis
55
Find html controls in row. findcontrol()
posted

 I have a templated column with a checkbox in it:

     <igtbl:TemplatedColumn Key="CamBan" AllowUpdate="Yes" Width="5.55%">
              <CellTemplate>
                         <asp:CheckBox ID="cbCamBan" runat="server" Text="Ban" />
             </CellTemplate>
      </igtbl:TemplatedColumn> 

 I could have used column with checkbox cell type, but you cannot add text to those checkboxes and these checkboxes are in multiple bands and i'm hiding the headers.

 So i have gone with a templated column with an asp control in it.  Finding if this control was checked on a server-side postback was a little difficult, but was accomplished with the following code:


        Dim tempCol As Infragistics.WebUI.UltraWebGrid.TemplatedColumn
        Dim checkBox As System.Web.UI.WebControls.CheckBox
        Dim cObjs As ArrayList
        Dim cItems As Infragistics.WebUI.UltraWebGrid.CellItem

        tempCol = UltraWebGrid1.Rows(1).Rows(0).Cells(9).Column
        cObjs = tempCol.CellItems

        For Each item As Object In cObjs
            cItems = CType(item, Infragistics.WebUI.UltraWebGrid.CellItem)
            checkBox = cItems.FindControl("cbCamBan")
            If checkBox IsNot Nothing Then
                Dim cell As Infragistics.WebUI.UltraWebGrid.UltraGridCell = cItems.Cell
                If checkBox.Checked Then
                    '    Response.Write(cell.Row.Cells(0).Value & " ")
                Else
                    '    Do something else

                End If

           End If
        Next

i have to access the cellitems that belong to the templated column.  Then i can use the findControl() method.  I would like to loop through the rows and use the findcontrol on a ultragridcell object.

eg. 

    For each dr as ultragridrow in grid1.rows

        dr.cells(0).item(0).findControl

        '  or something like that.

    next 

 Help? thanks. :)

 


     

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  • 175
    posted

    A generic findcontrol function could be useful;

    function findControl(tagName, controlId) {
    var aControls = document.getElementsByTagName(tagName);
    if (aControls==null) return null;
    for (var i = 0; i < aControls.length; i++) {
    var ctl = aControlsIdea;
    if (ctl && ctl.id) {
     var subId = ctl.id.substring(ctl.id.length - controlId.length);
    if (subId == controlId) {
    return ctl;
    }
    }
    }
    return null;
    }

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