Question

I have a gridview and a datsource. There is one column in datasource that I want to interpret and display a checkmark if it is a certain value (text). My question is similar to this. Is it doable? Note: If I add image field in gridview it tries to bind to an image url in the database which is not the case for me. I dont want to change the database, just display a checkmark in the gridview.

<- Edit: included an image to differentiate from checkbox.

Answer 1

Solution (answering myself). This is my template field (showing only relevent code)

<asp:TemplateField HeaderText="Image" >
<HeaderTemplate> </HeaderTemplate> 
<ItemTemplate>        // all other templates removed
<asp:Image ImageUrl="Images/checkmark_s.png" runat="server" Visible=<%#  showImageIfCalled((string)Eval("isCalled")) %> />
</ItemTemplate>
</asp:TemplateField>

This is the function that returns either true or false

protected bool showImageIfCalled(string val)
    {
        if (val == "called")
           return true;
        else
            return false;
    }

Notice that I am not using ‘single quotes or “double quotes” in front of Visible = field