/// <summary>
/// To find the first/last error cell in view if selection is not maintained in datagrid.
/// </summary>
private void MoveToErrorCell(SfDataGrid datagrid, bool MoveToFirstCell, ref bool moveToRow)
{
RowColumnIndex rowColumnIndex;
if (MoveToFirstCell)
{
rowColumnIndex = new RowColumnIndex(datagrid.GetFirstDataRowIndex(), datagrid.GetFirstColumnIndex());
}
else
{
rowColumnIndex = new RowColumnIndex(datagrid.GetLastDataRowIndex(), datagrid.GetLastColumnIndex());
}
datagrid.SelectionController.MoveCurrentCell(rowColumnIndex);
var currentRowColumnIndex = datagrid.SelectionController.CurrentCellManager.CurrentRowColumnIndex;
var gridCellCollections = GetGridCellCollection(datagrid, currentRowColumnIndex);
if (gridCellCollections != null)
{
foreach (var gridCellItem in gridCellCollections)
{
var gridCell = gridCellItem as GridCell;
if (gridCell != null && gridCell.HasError && gridCell.ColumnBase.ColumnIndex == currentRowColumnIndex.ColumnIndex)
{
datagrid.SelectionController.MoveCurrentCell(new RowColumnIndex(currentRowColumnIndex.RowIndex, gridCell.ColumnBase.ColumnIndex));
datagrid.ScrollInView(datagrid.SelectionController.CurrentCellManager.CurrentRowColumnIndex);;
moveToRow = false;
return;
}
}
}
}
/// <summary>
/// Get the index value for the next focused GridColumn.
/// </summary>
/// <param name="DataGrid"></param>
/// <param name="columnIndex"></param>
/// <returns></returns>
internal static int GetNextFocusGridColumnIndex(this SfDataGrid DataGrid, int columnIndex, FlowDirection flowdirection = FlowDirection.LeftToRight)
{
if (flowdirection == FlowDirection.RightToLeft)
{
return(GetPreviousFocusGridColumnIndex(DataGrid, columnIndex));
}
var index = columnIndex;
if (index < 0 || index >= DataGrid.Columns.Count)
{
return(-1);
}
var gridColumn = DataGrid.Columns[index];
if (gridColumn == null || !gridColumn.AllowFocus || gridColumn.ActualWidth == 0.0 || gridColumn.IsHidden)
{
if (columnIndex + 1 < DataGrid.GetLastColumnIndex())
{
index = GetNextFocusGridColumnIndex(DataGrid, columnIndex + 1);
}
}
return(index);
}