Mehmet AYDIN

private DataTable SrtDataTable(DataTable dt, string sort)
{
DataTable newDT = dt.Clone();
int rowCount = dt.Rows.Count;

DataRow[] foundRows = dt.Select(null, sort);
for (int i = 0 ; i < rowCount; i++)
{
object[] arr = new object[dt.Columns.Count];
for (int j = 0; j < dt.Columns.Count; j++)
{
arr[j]=foundRows[i][j];
}
DataRow data_row = newDT.NewRow();
data_row.ItemArray=arr;
newDT.Rows.Add(data_row);
}

dt.Rows.Clear();

for(int i = 0; i < newDT.Rows.Count; i++)
{
object[] arr = new object[dt.Columns.Count];
for (int j = 0; j < dt.Columns.Count; j++)
{
arr[j]=newDT.Rows[i][j];
}

DataRow data_row = dt.NewRow();
data_row.ItemArray = arr;
dt.Rows.Add(data_row);
}
return dt;
}

Yeah, this is not my code

I found it, here