单击按钮更新网格视图中的特定列

Question

How to update ASP.Net Gridview column with all rows acording to curent data...

somethings like , column name is Issue Mode with 2 rows like N and F .. when i need to change data as,

if value is "F" set the value to "CF" or

if value is "N" set the value to CN

Visual example:

Answer 1

foreach ( GridViewRow row in GridView1.Rows)
{
   if(row.Cells[0].Text=="F")
   {
       row.Cells[0].Text ="CF";
   }
   else if(row.Cells[0].Text=="N")
   {
       row.Cells[0].Text ="CN";
   }
}

Answer 2

On button Click Try this..

foreach ( DataRow dr in GridView1.Rows)    
{
    dr["columnname"].Value = "abcd";    
}

Answer 3

foreach ( GridViewRow rw in GridView1.Rows)
{
if (rw.Cell[0].Text =="F")
{
        rw.Cells[0].Text ="CF";
}
else if (rw.Cells[1].Text =="N")
{
       rw.Cells[1].Text ="CN";
}
}

Answer 4

Use RowDataBound event like following:

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
        if(e.Row.Cells[0].Text =="F")
        {
            e.Row.Cells[0].Text = "CF";
        }
        else if (e.Row.Cells[0].Text == "N")
        {
            e.Row.Cells[0].Text = "CN";
        }
}