Show Column Base on Condition

StackOverflow https://stackoverflow.com/questions/19127778

  •  30-06-2022
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Question

This below should be simple, but I am new so I don't know how to do this condition on the fly with ASP.NET.

Basically, I want to show the checkboxes if Eval("CompanyID") is NULL or nothing.

<asp:DataList BackColor="#ffffff" id="DataList1" DataSourceID="dsCompanyListPartialMatch">
    <ItemTemplate>
    <td style="width: 50px; border-right:1px solid black; border-spacing:0;"><%#Eval("Row")%></td>
        <td style="width: 70%"><asp:Literal ID="litFoo" runat="server" Text='<%#Eval("Company")%>' /> </td>
        <td style="width: 10%"><asp:Literal ID="Literal1" runat="server" Text='<%#Eval("CompanyID")%>' /> </td>
        <td style="text-align:right;">
            <asp:CheckBox  id="check1" runat="server" />
        </td>
        <%-- Example: If (Eval("CompanyID") == "" Then Show this Below. Else, don't show it --%>
            <td style="text-align:right;"><asp:CheckBox  id="check1" runat="server" /></td>
        <%-- END IF --%>
    </ItemTemplate>
</asp:DataList>
Was it helpful?

Solution 2

You can use CSS to hide the column.

<td style="text-align: right; <%# (Eval("CompanyID") == null || Eval("CompanyID").ToString() == "") ? "": "display: none" %>">
   <asp:CheckBox ID="CheckBox1" runat="server" />
</td>

Hide only CheckBox

<td style="text-align: right;">
    <div style="<%# (Eval("CompanyID") == null || Eval("CompanyID").ToString() == "") ? "": "display: none" %>">
        <asp:CheckBox ID="CheckBox1" runat="server" />
    </div>
</td>

OTHER TIPS

Did you try

<asp:CheckBox Visible='<%= Eval("CompanyID") != null ' />

?

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