ASP.NET

<asp:hiddenfield runat="server" id="hdnTime" />

function UpdateTimer()
{
  var elem = document.getElementById('hdnTime');
  if(elem) // Means Element is found
  {
     var nos = elem.value;
     if(nos != '')
        nos = 1;
     else
     {
        nos = parseInt(nos) + 1;
     }
  }
}

setInterval("UpdateTimer()", 1000);

Private Function getdataset() As Data.DataSet
        Dim myconnection As New SqlConnection(connectionstring)
        Dim ad As New SqlDataAdapter("GetTours1", myconnection)
        Dim ds As New Data.DataSet()
        ad.Fill(ds)
        Return ds
    End Function 

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        gridview1.DataSource = getdataset().Tables(0)
        gridview1.DataBind()
    End Sub

 Protected Sub gridview1_rowdatabound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
        Dim mytable As New Data.DataTable()
        Dim TourRangeIdcolumn As New Data.DataColumn("TourRangeId")
        Dim Desccolumn As New Data.DataColumn("Desc")
        mytable.Columns.Add(TourRangeIdcolumn)
        mytable.Columns.Add(Desccolumn)
        Dim ds As New Data.DataSet()
        ds = getdataset()
        Dim TourId As String = 0
        Dim expression As String = String.Empty
        If e.Row.RowType = DataControlRowType.DataRow Then
            'TourId = int32.Parse (DataKey.Equals  ("TourId")
            TourId = Int32.Parse(e.Row.Cells(0).Text)
            expression = "TourId = " & TourId
            Dim ddl As DropDownList = CType(e.Row.FindControl("dropdownlist1"), DropDownList)
            Dim rows As Data.DataRow() = ds.Tables(0).Select(expression)
            Dim row As Data.DataRow
            For Each row In rows
                Dim newrow As Data.DataRow = mytable.NewRow()
                newrow("TourRangeId") = row("TourRangeId")
                newrow("Desc") = row("Desc")
                mytable.Rows.Add(newrow)
            Next row
            ddl.DataSource = mytable
            ddl.DataTextField = "Desc"
            ddl.DataValueField = "TourRangeId"
            ddl.DataBind()
        End If
    End Sub

<fieldset><br />
<legend>GridviewNestingDropdowlist</legend><br />
<asp:gridview id="gridview1" runat="server" autogeneratecolumns="False" <br />
                            onrowdatabound="gridview1_rowdatabound"  Width="793px"><br />
<columns><br />
<asp:boundfield datafield="TourId" headertext="TourId" /><br />
<asp:boundfield datafield="Tour" headertext="Tour" /><br />
<asp:BoundField DataField="TourDate" HeaderText="Tour Date" /><br />
<asp:BoundField DataField="Nights" HeaderText="Nights" /><br />
<asp:BoundField DataField="TourDesc" HeaderText="Tour Description" /><br />
<asp:templatefield headertext="Price Range"><br />
<itemtemplate><br />
<asp:dropdownlist id="dropdownlist1" runat="server" AppendDataBoundItems="True" ><br />
 <asp:ListItem>---select---</asp:ListItem><br />
</asp:dropdownlist><br />
</itemtemplate><br />
</asp:templatefield><br />
</columns><br />
</asp:gridview></fieldset>

Gaurav.Kumar.Arora wrote:

Also, I tried all in Stringbuilder.

namespace MyNamespace {
  public class X {
  }
}

AB7771 wrote:

ut it gives compilation error...