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C# changing backcolor on a cell in a datagridview

Posted on 2012-04-11
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Last Modified: 2012-06-27
I am trying to change the color of a cell in a DataGridView based on the value of the column.  I have tried the following attempts:
 string value = this.dgvMainBottomRow1["colCostedBy", 0].Value.ToString();
 switch (value)
 {
   case "No Ticket Assigned":
     this.dgvMainBottomRow1["colCostedBy", 0].Style.BackColor = Color.Red;
   break;
 default:
   this.dgvMainBottomRow1["colCostedBy", 0].Style.BackColor = Color.White;
    break;
}
  I also tried:
 private void dgvMainBottomRow1_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
 {
  // Check if this is the right column.
  if (e.ColumnIndex == 0)
  {  
    string value = e.Value.ToString();
    switch (value)
    {
      case "No Ticket Assigned":
         e.CellStyle.BackColor = Color.Red;
         break;
        default:
         e.CellStyle.BackColor = Color.White;
         break;
   }
}
When I step thru the code, it is setting the back color properly, but when I view the form, it is still not changed.

Is there a grid setting that needs to be changed?
0
Comment
Question by:LenTompkins
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2 Comments
 
LVL 12

Accepted Solution

by:
Anuradha Goli earned 500 total points
ID: 37836771
Hi You can use code below to set style to cell
   private void dgvMainBottomRow1_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
        {
            DataGridViewCellStyle styl = new DataGridViewCellStyle();
            styl.Alignment = DataGridViewContentAlignment.MiddleCenter;
            styl.BackColor = Color.Maroon;
            styl.ForeColor = Color.White;
            dgvMainBottomRow1.DefaultCellStyle = styl;
        }
Sample Image
0
 

Author Closing Comment

by:LenTompkins
ID: 37838537
Your sample helped me debug my problem.  The code works as I had coded it, but the column that needed the color changed was the first column of the row and the selection indicator was on that column and looked blue not red.  Once I moved the cursor to the next column the color came in as expected. Thanks
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