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ASP.net VB.net Looping through Gridview template columns to gather selected values in drop downs

Posted on 2013-06-08
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Last Modified: 2013-06-08
Hi

I have a GridView with 4 Template column DropDownList columns.
They appear as the first four columns.
How do I gather the selected values of these dropdowns.
My VB.net code below doesn't work.

<asp:GridView ID="GridView2" runat="server"
    font-names="Century Gothic" forecolor="White" style="margin-top: 0px">
                <Columns>
                   
                     <asp:TemplateField HeaderText="A">
                     <ItemTemplate>
                          <asp:DropDownList ID="ddlOptions" runat="server">
                                <asp:ListItem></asp:ListItem>
                                <asp:ListItem>1st</asp:ListItem>
                                <asp:ListItem>2nd</asp:ListItem>
                                <asp:ListItem>3rd</asp:ListItem>
                                <asp:ListItem>4th</asp:ListItem>
                         </asp:DropDownList>
                     </ItemTemplate>
                     </asp:TemplateField>

             


                     <asp:TemplateField HeaderText="B">
                     <ItemTemplate>
                          <asp:DropDownList ID="ddlOptions2" runat="server">
                                <asp:ListItem></asp:ListItem>
                                <asp:ListItem>1st</asp:ListItem>
                                <asp:ListItem>2nd</asp:ListItem>
                                <asp:ListItem>3rd</asp:ListItem>
                                <asp:ListItem>4th</asp:ListItem>
                         </asp:DropDownList>
                     </ItemTemplate>
                     </asp:TemplateField>

                     <asp:TemplateField HeaderText="C">
                     <ItemTemplate>
                          <asp:DropDownList ID="ddlOptions3" runat="server">
                                <asp:ListItem></asp:ListItem>
                                <asp:ListItem>1st</asp:ListItem>
                                <asp:ListItem>2nd</asp:ListItem>
                                <asp:ListItem>3rd</asp:ListItem>
                                <asp:ListItem>4th</asp:ListItem>
                         </asp:DropDownList>
                     </ItemTemplate>
                     </asp:TemplateField>

                     <asp:TemplateField HeaderText="D">
                     <ItemTemplate>
                          <asp:DropDownList ID="ddlOptions4" runat="server">
                                <asp:ListItem></asp:ListItem>
                                <asp:ListItem>1st</asp:ListItem>
                                <asp:ListItem>2nd</asp:ListItem>
                                <asp:ListItem>3rd</asp:ListItem>
                                <asp:ListItem>4th</asp:ListItem>
                         </asp:DropDownList>
                     </ItemTemplate>
                     </asp:TemplateField>
                   

                    <asp:TemplateField HeaderText="Question">
                        <ItemTemplate>
                         </ItemTemplate>
                    </asp:TemplateField>




                    <asp:TemplateField HeaderText="Answer">
                   
                        <ControlStyle BackColor="#CCCCCC" />
                   
                    </asp:TemplateField>

                </Columns>
            </asp:GridView>
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Question by:murbro
2 Comments
 
LVL 20

Accepted Solution

by:
informaniac earned 500 total points
ID: 39232491
There is no code attached here.

If you are using a SQL DataSource doing a FindControl might not work.

foreach(GridViewRow gvRow in grid1.Rows)
{
      DropdownList ddl1 = gvRow.FindControl("ddlOptions4") as DropdownList;
      string strSelectedValue = ddl1.SelectedValue;
}

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Author Closing Comment

by:murbro
ID: 39232522
Thanks very much
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