private void DataColumnDialog_Load(object sender, System.EventArgs e)
{
if (m_DataTable == null)
{
throw new ApplicationException("DataTable is null");
}
if (m_TemplateColumns == null)
{
m_TemplateColumns = GridDataTable.GetColumnsFromDataTable(m_DataTable, true);
}
grid.Redim(m_DataTable.Columns.Count + 1, 3);
grid.FixedRows = 1;
grid.Selection.SelectionMode = SourceGrid2.GridSelectionMode.Row;
grid[0, 0] = new Cells.Header("Visible");
grid[0, 1] = new Cells.Header("Caption");
grid[0, 2] = new Cells.Header("Order");
int l_LastPosition = m_TemplateColumns.Length + 1;
for (int c = 0; c < m_DataTable.Columns.Count; c++)
{
int l_CurrentPosition = l_LastPosition;
bool l_bVisible = false;
for (int j = 0; j < m_TemplateColumns.Length; j++)
{
if (m_TemplateColumns[j].DataColumn == m_DataTable.Columns[c])
{
l_bVisible = true;
l_CurrentPosition = j + 1;
break;
}
}
if (l_bVisible == false)
{
l_LastPosition++;
}
grid[c + grid.FixedRows, 0] = new Cells.CheckBox(l_bVisible);
grid[c + grid.FixedRows, 0].Tag = m_DataTable.Columns[c];
grid[c + grid.FixedRows, 1] = new Cells.Cell(m_DataTable.Columns[c].Caption, typeof(string));
grid[c + grid.FixedRows, 1].DataModel.AllowNull = false;
grid[c + grid.FixedRows, 2] = new Cells.Cell(l_CurrentPosition);
}
Sort();
grid.AutoStretchColumnsToFitWidth = true;
grid.AutoSizeAll();
}
public override void SetValue(SourceGrid2.Position p_Position, object p_Value)
{
GridDataTable l_GridDataTable = ((GridDataTable)Grid);
System.Data.DataRow l_Row = (System.Data.DataRow)(l_GridDataTable.m_DataSelection[p_Position.Row - Grid.FixedRows]);
if (p_Value == null)
{
l_Row[m_DataColumn] = System.DBNull.Value;
}
else
{
l_Row[m_DataColumn] = p_Value;
}
OnValueChanged(new SourceGrid2.PositionEventArgs(p_Position, this));
}
public override object GetValue(SourceGrid2.Position p_Position)
{
GridDataTable l_GridDataTable = ((GridDataTable)Grid);
System.Data.DataRow l_Row = (System.Data.DataRow)(l_GridDataTable.m_DataSelection[p_Position.Row - Grid.FixedRows]);
object tmp = l_Row[m_DataColumn];
if (System.DBNull.Value == tmp)
{
return(null);
}
else
{
return(tmp);
}
}
