Validate RadioButton in GridView, DataGrid, DataList

JavaScript inside Script Tag on your page.

    function ValidateSelection()
    {
        var grid = document.getElementById("");
        var Selected = 0;
        for (i = 1; i < grid.rows.length; i++)
        {
            if(grid.rows[i].getElementsByTagName("input")[0] != null
                && grid.rows[i].getElementsByTagName("input")[0].type == "radio" 
                && grid.rows[i].getElementsByTagName("input")[0].checked)
                {
                    Selected = 1;
                    break;
                }
        }
        if(Selected==0)
        { alert('Please select any row to proceed.'); return false; }
        else
        { return true; }
    }

Designer

Posted in: Asp.Net,C#,JavaScript