protected void ASPxGridView1_DataBinding(object sender, EventArgs e)
{
GridViewDataColumn newFilterColumn = null;
IEnumerable <GridViewDataColumn> columns = GetDataColumns();
foreach (GridViewDataColumn column in columns)
{
if (string.IsNullOrEmpty(Expressions[column]) && !string.IsNullOrEmpty(column.FilterExpression))
{
newFilterColumn = column;
break;
}
}
if (newFilterColumn != null)
{
foreach (GridViewDataColumn column in columns)
{
if (!Equals(column, newFilterColumn))
{
ASPxGridView1.AutoFilterByColumn(column, null);
}
}
}
}