/// <summary>
/// Sends the data XML.
/// </summary>
private void ProcessResponseData()
{
DataRequestEventArgs args = new DataRequestEventArgs(
Request[_dymanicDataHandler],
Request[_dymanicDataType],
StartIndex,
ItemCount,
ColumnCount,
Request[_columnKey],
IsAscSort);
switch (args.HandlerType)
{
case _handlerKeyDataSource:
GetDataFromDataSource(args, DataSourceId);
break;
case _handlerKeyAjax:
GetDataFromAJAXSource(args);
break;
default:
break;
}
}
private void GetDataFromAJAXSource(DataRequestEventArgs args)
{
AJAXHandler handler = (AJAXHandler)FindControl(DataSourceId.Replace('_', '$'));
if (handler != null && handler.ContentProcessor != null)
{
Response.Write(handler.ContentProcessor(args));
}
}
/// <summary>
/// Gets the data table.
/// </summary>
/// <returns></returns>
public override DataTable GetDataTable(DataRequestEventArgs args)
{
if (DataTableSource == null)
{
return(null);
}
return(DataTableSource(args));
}
/// <summary>
/// Raises the AJAXRequest event.
/// </summary>
/// <param name="args">The <see cref="NewWayMedia.Common.Controls.DataRequestEventArgs"/> instance containing the event data.</param>
/// <returns></returns>
protected virtual string OnAJAXRequest(DataRequestEventArgs args)
{
switch (handler.Action)
{
case actionKeySaveSettings:
SaveSettings();
break;
default:
break;
}
return(string.Empty);
}
/// <summary>
/// Raises the AJAXRequest event.
/// </summary>
/// <param name="args">The <see cref="NewWayMedia.Common.Controls.DataRequestEventArgs"/> instance containing the event data.</param>
/// <returns></returns>
protected override string OnAJAXRequest(DataRequestEventArgs args)
{
try
{
PageEx p = Page as PageEx;
int? height = p.GetRequestInt("height");
int? width = p.GetRequestInt("width");
chart.Height = height ?? 250;
chart.Width = width ?? 250;
switch (handler.Action)
{
case actionKeyApplyGraphType:
int?type = p.GetRequestInt("type");
settings.ChartType = (ChartType)(type ?? 0);
chartDashboardSettingsProvider.Save(settings, ClientID);
break;
case actionKeyApplyTimeFrame:
int?timeFrame = p.GetRequestInt("frame");
settings.TimeFrameType = (TimeFrameType)(timeFrame ?? 0);
chartDashboardSettingsProvider.Save(settings, ClientID);
break;
case actionKeyShow:
break;
default:
return(base.OnAJAXRequest(args));
}
chart.Type = settings.ChartType;
chart.TimeFrame = settings.TimeFrameType;
if (datasource != null)
{
chart.DataSource = datasource();
}
return(ControlHelper.GetControlHtml(chart));
}
catch (Exception ex)
{
Util.Log.Error("OnAJAXRequest", ex);
}
return(string.Empty);
}
private void GetDataFromDataSource(DataRequestEventArgs args, string dataSourceId)
{
if (!string.IsNullOrEmpty(dataSourceId))
{
dataSourceId = dataSourceId.Replace('_', '$');
DynamicGridDataSource dataSource = (DynamicGridDataSource)FindControl(dataSourceId);
if (dataSource == null)
{
OnDataSourceNotFound(dataSourceId);
dataSource = (DynamicGridDataSource)FindControl(dataSourceId);
}
if (dataSource != null)
{
Response.Write(dataSource.GetDataXml(args));
}
}
else
{
OnGetGridXmlData(args);
}
}
/// <summary>
/// Gets the data XML.
/// </summary>
/// <returns></returns>
public virtual string GetDataXml(DataRequestEventArgs args)
{
DataTable table = GetDataTable(args);
StringBuilder builder = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(builder))
{
writer.WriteStartElement(RootElementName);
writer.WriteAttributeString(PosAttrName, (args.StartIndex ?? 0).ToString());
if (table != null)
{
ProcessRows(writer, table.Rows);
}
writer.WriteEndElement();
}
return(builder.ToString());
}
/// <summary>
/// Gets the data table.
/// </summary>
/// <returns></returns>
public virtual DataTable GetDataTable(DataRequestEventArgs args)
{
return(null);
}
/// <summary>
/// Is used to provide grid data
/// </summary>
/// <param name="args">The <see cref="NewWayMedia.Common.Controls.DataRequestEventArgs"/> instance containing the event data.</param>
protected virtual void OnGetGridXmlData(DataRequestEventArgs args)
{
Response.Write(args.Output);
}
