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Brad
115
WebGrid not binding to templated columns when binding programmatically.
posted

I have the following page:

<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="WebApplication1._Default" %>
<%@ Register Assembly="Infragistics2.WebUI.UltraWebGrid.v7.2, Version=7.2.20072.1063, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb"
    Namespace="Infragistics.WebUI.UltraWebGrid" TagPrefix="igtbl" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <igtbl:UltraWebGrid ID="UltraWebGrid1" runat="server">
            <Bands>
                <igtbl:UltraGridBand>
                    <Columns>
                        <igtbl:UltraGridColumn IsBound="true" BaseColumnName="x">
                            <Header Caption="Test" />
                        </igtbl:UltraGridColumn>
                    </Columns>
                </igtbl:UltraGridBand>
            </Bands>
            <DisplayLayout AutoGenerateColumns="false" />
        </igtbl:UltraWebGrid>
    </div>
    </form>
</body>
</html>

 

and the following code behind:

 

Partial Public Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        If Not Me.IsPostBack Then
            Dim odtData As New DataTable()
            odtData.Columns.Add("x", GetType(Integer))
            odtData.Rows.Add(0)
            Me.UltraWebGrid1.DataSource = odtData
            Me.UltraWebGrid1.DataBind()
        End If
    End Sub

End Class

 

and when I run this I get "No Data to Display".  However, when i use a SqlDataSource and add the "DataSourceID" property to the UltraWebGrid tag instead of binding the data in the code behind, it works.  If I replace the UltraWebGrid with the basic ASP.NET DataGrid, it works.

  • 8680
    posted

    Check out the use of DataTable.NewRow in the following example:

    Private Sub AddARow(dataSet As DataSet)
        Dim table As DataTable = dataSet.Tables("Suppliers")
        ' Use the NewRow method to create a DataRow
        'with the table's schema.
        Dim newRow As DataRow = table.NewRow()

        ' Set values in the columns:
        newRow("CompanyID") = "NewCompanyID"
        newRow("CompanyName") = "NewCompanyName"

        ' Add the row to the rows collection.
        table.Rows.Add(newRow)
    End Sub

    I got that from the example at: http://msdn2.microsoft.com/en-us/library/system.data.datatable.rows.aspx