///<summary>
/// GridDataBindingStartEventArgs
///</summary>
///<param name="gridPanel">Associated GridPanel</param>
///<param name="row">Associated GridRow</param>
///<param name="tableName">Name of table being bound to</param>
///<param name="autoGenerateColumns">Whether to auto-generate columns</param>
///<param name="crProcess"></param>
public GridDataBindingStartEventArgs(GridPanel gridPanel,
GridRow row, string tableName, bool autoGenerateColumns, ProcessChildRelations crProcess)
: base(gridPanel, row)
{
_TableName = tableName;
_AutoGenerateColumns = autoGenerateColumns;
_ProcessChildRelations = crProcess;
}
/// <summary>
/// Handles invocation of DataBindingStart events
/// </summary>
internal bool DoDataBindingStartEvent(GridPanel gridPanel,
GridRow row, string tableName, ref bool autogen, ref ProcessChildRelations crProcess)
{
if (DataBindingStart != null)
{
GridDataBindingStartEventArgs ev = new
GridDataBindingStartEventArgs(gridPanel, row, tableName, autogen, crProcess);
DataBindingStart(this, ev);
autogen = ev.AutoGenerateColumns;
crProcess = ev.ProcessChildRelations;
return (ev.Cancel);
}
return (false);
}
internal void AddDataTable(
DataTable dt, bool autogen, ProcessChildRelations crProcess)
{
if (SetDataConnection(dt) == true)
{
if (CurrencyManager != null)
{
CurrencyManager.ListChanged -= CmDataSetListChanged;
CurrencyManager.ListChanged += CmDataSetListChanged;
if (autogen == true)
AutoGenerateColumns(dt);
if (_Panel.VirtualMode == false)
{
int pindex = (crProcess != ProcessChildRelations.Never) ? GetPrimaryColumnIndex(dt) : -1;
bool rowsUnresolved = (pindex >= 0 && dt.ChildRelations.Count > 0);
for (int i = 0; i < CurrencyManager.Count; i++)
{
DataRowView view = CurrencyManager.List[i] as DataRowView;
if (view != null)
{
GridRow row = GetNewRow(dt, view);
row.DataItem = view;
row.DataItemIndex = i;
row.RowsUnresolved = rowsUnresolved;
_Panel.Rows.Add(row);
}
}
if (rowsUnresolved == true)
{
_Panel.PrimaryColumnIndex = pindex;
_Panel.ShowTreeButtons = true;
_Panel.ShowTreeLines = true;
_Panel.SuperGrid.BeforeExpand -= SuperGridBeforeExpand;
_Panel.SuperGrid.BeforeExpand += SuperGridBeforeExpand;
}
}
else
{
dt.DefaultView.RowFilter = "";
}
UpdateSuperGridSort(false);
_Panel.SuperGrid.DoDataBindingCompleteEvent(_Panel);
}
}
}
