/// <summary>
/// This routine is called by the grid whenever a user has
/// modified the row contents (ie made the row "Dirty").
///
/// In this example we will save the changed data in our local
/// store so that it can be retrieved later, if need be.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void SuperGridControl1StoreVirtualRow(object sender, GridVirtualRowEventArgs e)
{
GridRow row = e.GridRow;
GridPanel panel = e.GridPanel;
int index = e.Index;
Dictionary <int, string> vdata = e.GridPanel.Tag as Dictionary <int, string>;
if (vdata == null)
{
vdata = new Dictionary <int, string>();
panel.Tag = vdata;
}
StringBuilder sb = new StringBuilder();
for (int i = 0; i < panel.Columns.Count; i++)
{
sb.Append(row.Cells[i].Value);
sb.Append(";");
}
sb.Length--;
vdata[index] = sb.ToString();
}
/// <summary>
/// This routine is called by the grid when it needs a
/// given virtual row to be loaded. All of the row cells
/// have been allocated prior to this call.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void SuperGridControl1LoadVirtualRow(object sender, GridVirtualRowEventArgs e)
{
GridRow row = e.GridRow;
GridPanel panel = e.GridPanel;
int index = row.Index;
// We'll pretend, for this example, to do sorting by just
// reversing the index when ask to sort descending
if (panel.SortColumns.Count > 0)
{
GridColumn column = panel.SortColumns[0];
if (column.SortDirection == SortDirection.Descending)
{
index = panel.VirtualRowCount - row.Index - 1;
}
}
// For this demo sample, we will save and restore any
// user changed data. So, before initializing a new default
// row, look to see if we have it tucked away already.
Dictionary <int, string> vdata = panel.Tag as Dictionary <int, string>;
if (vdata != null)
{
string value;
if (vdata.TryGetValue(index, out value) == true)
{
string[] s = value.Split(';');
for (int i = 0; i < panel.Columns.Count; i++)
{
row.Cells[i].Value = s[i];
}
row.RowDirty = true;
return;
}
}
// Fill the cell data in with some nonsense data
for (int i = 0; i < panel.Columns.Count; i++)
{
row.Cells[i].Value =
String.Format("Row {0}, Cell {1}", index, i);
}
}
