public static string ReadGridSettings(RadGrid grid)
{
object[] gridSettings = new object[4];
//Save groupBy
GridGroupByExpressionCollection groupByExpressions = grid.MasterTableView.GroupByExpressions;
object[] groupExpressions = new object[groupByExpressions.Count];
int count = 0;
foreach (GridGroupByExpression expression in groupByExpressions)
{
groupExpressions[count] = ((IStateManager)expression).SaveViewState();
count++;
}
gridSettings[0] = groupExpressions;
//Save sort expressions
gridSettings[1] = ((IStateManager)grid.MasterTableView.SortExpressions).SaveViewState();
//Save columns order
int columnsLength = grid.MasterTableView.Columns.Count +
grid.MasterTableView.AutoGeneratedColumns.Length;
Pair[] columnOrder = new Pair[columnsLength];
ArrayList allColumns = new ArrayList(columnsLength);
allColumns.AddRange(grid.MasterTableView.Columns);
allColumns.AddRange(grid.MasterTableView.AutoGeneratedColumns);
int i = 0;
foreach (GridColumn column in allColumns)
{
Pair p = new Pair();
p.First = column.OrderIndex;
p.Second = column.HeaderStyle.Width;
columnOrder[i] = p;
i++;
}
gridSettings[2] = columnOrder;
//Save filter expression
gridSettings[3] = (object)grid.MasterTableView.FilterExpression;
LosFormatter formatter = new LosFormatter();
StringWriter writer = new StringWriter();
formatter.Serialize(writer, gridSettings);
return(writer.ToString());
}
public static void LoadGridSettings(RadGrid grid, string data)
{
if (data == null || data.Trim() == "")
{
ClearGridSettings(grid);
return;
}
try
{
ClearGridSettings(grid);
LosFormatter formatter = new LosFormatter();
StringReader reader = new StringReader(data);
object[] gridSettings = (object[])formatter.Deserialize(reader);
//Load groupBy
GridGroupByExpressionCollection groupByExpressions = grid.MasterTableView.GroupByExpressions;
groupByExpressions.Clear();
object[] groupExpressionsState = (object[])gridSettings[0];
int count = 0;
foreach (object obj in groupExpressionsState)
{
GridGroupByExpression expression = new GridGroupByExpression();
((IStateManager)expression).LoadViewState(obj);
groupByExpressions.Add(expression);
count++;
}
//Load sort expressions
grid.MasterTableView.SortExpressions.Clear();
((IStateManager)grid.MasterTableView.SortExpressions).LoadViewState(gridSettings[1]);
//Load columns order
int columnsLength = grid.MasterTableView.Columns.Count +
grid.MasterTableView.AutoGeneratedColumns.Length;
Pair[] columnOrder = (Pair[])gridSettings[2];
if (columnsLength == columnOrder.Length)
{
ArrayList allColumns = new ArrayList(columnsLength);
allColumns.AddRange(grid.MasterTableView.Columns);
allColumns.AddRange(grid.MasterTableView.AutoGeneratedColumns);
int i = 0;
foreach (GridColumn column in allColumns)
{
column.OrderIndex = (int)columnOrder[i].First;
Unit unit = (Unit)columnOrder[i].Second;
column.HeaderStyle.Width = unit.IsEmpty ? new Unit(200, UnitType.Pixel) : unit;
i++;
}
}
//Load filter expression
//grid.MasterTableView.FilterExpression = (string)gridSettings[3];
}
catch (Exception)
{
ClearGridSettings(grid);
}
}