How to set group columns from code behind radgrid

  Here I am going to explain how to set list of group columns  from code behind in telerik radgrid.

 The below tutorial helps us to set list of group columns from telerik radgrid. For reports we are able to save the group columns in database and also we can apply , when next time we opening the report grid. For get list of group columns click here get list of group columns 

string groupColumns = "Name,Age,Address";

if (groupColumns != "")

{

    string[] GroupColumnsSplit = groupColumns.Split(',');

    foreach (string field in GroupColumnsSplit)

    {

        GridGroupByExpression expression = new GridGroupByExpression();

        GridGroupByField gridGroupByField = new GridGroupByField();

        gridGroupByField = new GridGroupByField();

        gridGroupByField.FieldName = field;

        gridGroupByField.HeaderText = field;

        expression.SelectFields.Add(gridGroupByField);

        gridGroupByField = new GridGroupByField();

        gridGroupByField.FieldName = field;

        expression.GroupByFields.Add(gridGroupByField);

        radgrid.MasterTableView.GroupByExpressions.Add(expression);

        radgrid.DataBind();

    }

}