change back color if gridView cells has empty.

Question

how to change specific cells backcolor if cells has no data in gridview in asp.net

 

my code is here.. 

for (int i = 0; i < GridView1.Row.Cells.Count; i++)
 {

            if (GridView1.Row[i].Cells[2].Text == "")
            {
                GridView1.Row[i].Cells[2].BackColor = Color.Red;
            }
           else
           {
                GridView1.Row[i].Cells[2].BackColor = Color.Green;
           }
}

Answer 1

1.First Create on Website

 

2.Add one Master Page

 

3.Add One WebForm and add with Master Page

 

4.Create one Css page

 

https://www.asp.net/web-forms/overview/older-versions-getting-started/master-pages/creating-a-site-wide-layout-using-master-pages-cs

 

http://www.aspdotnet-suresh.com/2014/07/master-page-with-menu-control-in-aspnet-example.html 

 

 

Answer 2

Give some extensive explain sir.

Answer 3

Add external  CSS  to Master page

 

<link href="MyStyle.css" rel="stylesheet" type="text/css"> in head tag.

 

 

<asp:Textbox id="Textbox1" runat="server" CssClass="your class/id name">