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Questionhow to do this? Pin
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QuestionUnable to get the SelectedRow of WebCombo in VB .Net 2003 Pin
arvindbhateja19-Aug-06 2:55
Memberarvindbhateja19-Aug-06 2:55 
Hi,

I'm using a simple Infragistic web combo in ASP .net with code behind in VB .Net 2003. It's a very basic combo box that is working fine with code behind in C# .Net OMG | :OMG: but the same code (logic) is not working in VB .Net. The problem I'm facing is that when I click on button1 and in it's event I simply write:

WebCombo2.SelectedRow.Cells(0).Value.ToString()

and it returns with a null object reference exception. When I debugged, I found the SelectedRow object null.

I'm using:

-> Infragistics NetAdvantage 2006 Volume 2 CLR 1.x
-> VS 2003 ASP .Net, code behind in VB .Net

here is the code:

<igcmbo:webcombo id="WebCombo2" runat="server" Height="20px"
DataValueField="User_Id" DataTextField="Logon_Name" Width="200px" Font-Names="Verdana" DataMember="User" Font-Size="8pt" BorderStyle="Solid" BorderWidth="1px" SelBackColor="LightSteelBlue" BackColor="White" ForeColor="Black" SelForeColor="51, 51, 51" Version="2.00" BorderColor="Gainsboro">
<Columns>
<igtbl:UltraGridColumn
HeaderText="User Id" Key="User_Id" IsBound="True" BaseColumnName="User_Id">
<Footer
Key="User_Id"></Footer>
<Header Key="User_Id"
Caption="User ID"></Header>
</igtbl:UltraGridColumn>
<igtbl:UltraGridColumn
HeaderText="Logon Name" Key="Logon_Name" IsBound="True"
BaseColumnName="Logon_Name">
<Footer
Key="Logon_Name"></Footer>
<Header
Key="Logon_Name" Caption="Logon Name"></Header>
</igtbl:UltraGridColumn>
</Columns>
<DropDownLayout DropdownWidth="450px"
BorderCollapse="Separate" AllowColSizing="Free" RowHeightDefault="20px"
HeaderClickAction="Select"
RowSizing="Free" DropdownHeight="180px" TableLayout="Fixed"
AllowRowSizing="Free">
<RowStyle BorderWidth="1px"
Font-Size="8pt" Font-Names="Verdana" BorderColor="Gainsboro"
BorderStyle="Solid"
BackColor="White"
Height="18px">
<Padding Left="5px"
Right="5px"></Padding>
</RowStyle>
<SelectedRowStyle
ForeColor="White" BackColor="SteelBlue">
<Padding Left="5px"
Right="5px"></Padding>
</SelectedRowStyle>
<HeaderStyle
VerticalAlign="Middle" BorderWidth="1px" Font-Size="8pt" Font-Names="Verdana"
BorderColor="White"
BorderStyle="Solid"
HorizontalAlign="Left" BackColor="LightSteelBlue">
<Padding Left="3px"
Right="3px"></Padding>
</HeaderStyle>
<RowAlternateStyle
BackColor="#E0E0E0"></RowAlternateStyle>
<FrameStyle Width="450px"
Cursor="Default" BorderWidth="1px" Font-Size="8pt" Font-Names="Verdana"
BorderStyle="None"
BackColor="Gainsboro" Height="180px"></FrameStyle>
</DropDownLayout>
<ExpandEffects
ShadowColor="LightGray"></ExpandEffects>
</igcmbo:webcombo>

<asp:Button id="Button1" style="Z-INDEX: 101; LEFT: 152px; POSITION:
absolute; TOP: 56px" runat="server" Text="Button"></asp:Button>


I'm binding the Infragistic webCombo to a DataSet.

Plz help,
Thanks.
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