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Expressions of conditional formatting

Thread ID:





80386 Apr 1,2009 10:57 AM Apr 2,2009 11:40 AM ASP.NET Web Forms (Classic) 2
Tags: GridGroupingControl
Administrator [Syncfusion]
Asked On April 1, 2009 10:57 AM

Hi guys,

I want to use conditional formatting using GridConditionalFormatDescriptor class, however I could not find any documentation about its Expression property.
I tried to assign a condition where values of two columns are equal but it didn't work:

GridConditionalFormatDescriptor formatDesc = new GridConditionalFormatDescriptor();
formatDesc.Name = "xy";
formatDesc.Expression = "[Col1]=[Col2]";

How can I make this work?

Also, how can I use one of the members of column's ExtendedProperties collection in this expression?


Rekha P [Syncfusion]
Replied On April 2, 2009 08:08 AM

Hi Peter,

Thank you for your interest in Syncfusion Products.

If your intension is to check for a condition between two columns, you can use RowDataBound event which iterates through each row with the grid cells. Please refer the code
snippet below to achieve this.

void GridGroupingControl1_RowDataBound(object sender, RowDataBoundEventArgs e)
//Check if the current element is a Record row.
if (e.Element.Kind.ToString() == "Record")
for (int i = 0; i < e.Row.Cells.Count; i++)
if (((GridCell)(e.Row.Cells[i])).ColumnDescriptor.MappingName == "Check")
GridRow gridrow1 = e.Row;
int a = Convert.ToInt32(gridrow1.Record.GetValue("Value1")); //Col1
int b = Convert.ToInt32(gridrow1.Record.GetValue("Value2")); //Col2
if (a == b)
e.Row.Cells[i].Text = "Equal";
e.Row.Cells[i].Text = "Not Equal";

Please refer the sample below which illustrates the above.

The Equal(==) defined in Expression returns true if both arguments have same value, for instance "[Salary]=20000".

We request you to create a DirectTrac Incident using your DT account for further support and please let me know if you have any concerns.


Peter Kovacs
Replied On April 2, 2009 11:40 AM


thanks for the response, this solution seems to solve my problem. I'll get back to you when I try it.



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