private void FirstPageSettings()
{
tbPage.Text = "1";
PageNumber = 1;
//Clear sort related settings.
_hc = null;
SortBy = string.Empty;
SetPagerStatus(false, false, (TotalPages > 1), (TotalPages > 1));
}
private void SortAction(object sender, DataGridViewCellMouseEventArgs e, SortEventSequence eventSequence)
{
//Manual sort is made possible by changing sort mode of
//each column. See BindDataGrid method to see this.
DataGridView dg = sender as DataGridView;
int colIndex = e.ColumnIndex;
DataGridViewColumnHeaderCell hc = dg.Columns[colIndex].HeaderCell;
DataGridViewColumn col = dg.Columns[colIndex];
if (hc.SortGlyphDirection == SortOrder.None
|| (col.Name != SortBy && !SortBy.Contains("DESC")))
{
if (eventSequence == SortEventSequence.Before) SortBy = col.Name;
if (eventSequence == SortEventSequence.After) hc.SortGlyphDirection = SortOrder.Ascending;
}
else if (col.Name == SortBy)
{
if (eventSequence == SortEventSequence.Before) SortBy = string.Format("{0} DESC", col.Name);
if (eventSequence == SortEventSequence.After) hc.SortGlyphDirection = SortOrder.Ascending;
}
else if (SortBy.Contains("DESC"))
{
if (eventSequence == SortEventSequence.Before) SortBy = col.Name;
if (eventSequence == SortEventSequence.After) hc.SortGlyphDirection = SortOrder.Descending;
}
_hc = Clone(hc);
}
public static DataGridViewColumnHeaderCellCustom Clone(DataGridViewColumnHeaderCell hc)
{
//Had to build my own because DataGridViewColumnHeaderCellCustom's
//clone didn't work.
var toReturn = new DataGridViewColumnHeaderCellCustom();
toReturn.ColumnIndex = hc.ColumnIndex;
toReturn.SortGlyphDirection = hc.SortGlyphDirection;
return toReturn;
}
