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changing cell color datagridvew c#

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changing cell color datagridvew c#

 
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  #1
Dec 8th, 2008
hi
i'm using a datagrid view control which get's his datasource from a dataset control.

my code is:

c# Syntax (Toggle Plain Text) 
  1. dataGrid = new DataGridView();
  2. dataGrid.DataSource = dataSet.Tables["Vertexes"];
  3. this.Controls.Add(dataGrid);

the datagridview in shown fine.
the problem is that when i try to cahnge cells color like this:

c# Syntax (Toggle Plain Text) 
  1. for (int x = 0; x < dataGrid.Rows.Count; x++)
  2.             {
  3.                 for (int y = 0; y < dataGrid.Rows[x].Cells.Count; y++)
  4.                 {
  5.                     if (x == y)
  6.                     {
  7.                         dataGrid.Rows[x].Cells[y].Style.BackColor =
  8.                         System.Drawing.Color.Red;
  9.                     }
  10.                 }
  11.             }

it doest eners to the 'for' loop. i can see in debug that the datagridvew rows and columns controls are empty.
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Re: changing cell color datagridvew c#

 
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  #2
Dec 8th, 2008
Depends I guess a little on when that code runs (which you havent shown) or, why you dont just use the draw method - for which search this forum ther are a number of examples
Did I just hear "You gotta help us, Doc. We've tried nothin' and we're all out of ideas" ? Is this you? Dont let this be you! I will put in as much effort as you seem to.
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Re: changing cell color datagridvew c#

 
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  #3
Dec 9th, 2008
hi
this s my code working fine. i think r u creating dynamic datagridview . insead of controlname ur using datagrid may be. so chk it
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private void Form1_Load(object sender, EventArgs e)
{

dataGridView1.Rows.Add(5);
dataGridView1.CurrentCell.Selected = false;
for (int i = 0; i < dataGridView1.Rows.Count; i++)
{
for (int j = 0; j < dataGridView1.Rows[i].Cells.Count; j++)//dataGridView1.Columns.Count; j++)
{
// dataGridView1.Rows[i].Cells[j].Value = i + 5;
if (i == j)
dataGridView1.Rows[i].Cells[j].Style.BackColor = Color.Aqua;
}
}
}
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Re: changing cell color datagridvew c#

 
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  #4
Dec 9th, 2008
Hi,

dataGrid.DataBind() statement is missing.

dataGrid = new DataGridView();
this.Controls.Add(dataGrid);

dataGrid.DataSource = dataSet.Tables["Vertexes"];
dataGrid.DataBind();
Reena Mehta

Remember to click on Mark as answer on the post that helped

http://www.indianic.com
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