datagridview sorted by id descending order c# in winform application

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I'm working in VS2012 on a C# WinForms app. By default when clicking on a column header in a DataGridView it not sorts that column Ascending, you can then click on the column header again to sort it Descending.

so the initial click sorts Descending then the second click sorts Ascending and I haven't been able to figure out how to do this. Does anyone know?

Posted 13-Nov-13 21:22pm

hassan Abbas

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Chetan Patel · Answer 1 · 2013-11-13T21:36:00

Add this event

private void GridViewSortDirection(GridView g, GridViewSortEventArgs e, out SortDirection d, out string f)
{
f = e.SortExpression;
d = e.SortDirection;

//Check if GridView control has required Attributes
if (g.Attributes["CurrentSortField"] != null && g.Attributes["CurrentSortDir"] != null)
{
if (f == g.Attributes["CurrentSortField"])
{
d = SortDirection.Descending;
if (g.Attributes["CurrentSortDir"] == "ASC")
{
d = SortDirection.Ascending;
}
}

g.Attributes["CurrentSortField"] = f;
g.Attributes["CurrentSortDir"] = (d == SortDirection.Descending ? "ASC" : "DESC" );
}

}