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Microsoft: ASP.NET FAQ


How can I carry out Conditional formating on a Gridview ? by Chance1234
Posted: 19 Jun 07

Say in your gridview you have the following data ;

Month, Target, Result
June, 0.23, 0.24
July, 0.17, 0.15
Sept, 0.25, 0.37

In your Gridview, you want to highlight the cell when the Months result is less than the Target.

What you want to do is the following.

On the RowDataBound event of the gridview add the following code.


//First check to see that we are on a data row
  if (e.Row.RowType == DataControlRowType.DataRow)
//now convert the text value to a double (use int32 for whole numbers)
                if (Double.Parse(e.Row.Cells[2].Text) < Double.Parse(e.Row.Cells[1].Text))
//set the background to red
                    e.Row.Cells[5].Style.Add("background-color", "red");
//you can also access other properties such as font from here, as below
                    e.Row.Cells[5].Font.Bold = true;


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