private void ExportDataGrid(DataGrid dGrid)
{
SaveFileDialog objSFD = new SaveFileDialog()
{
DefaultExt = "csv",
Filter = "CSV Files (*.csv)|*.csv|Excel XML (*.xml)|*.xml|All files (*.*)|*.*",
FilterIndex = 1
};
if (objSFD.ShowDialog() == true)
{
string strFormat = objSFD.SafeFileName.Substring(objSFD.SafeFileName.IndexOf('.') + 1).ToUpper();
StringBuilder strBuilder = new StringBuilder();
if (dGrid.ItemsSource == null)
{
return;
}
List <string> lstFields = new List <string>();
if (dGrid.HeadersVisibility == DataGridHeadersVisibility.Column || dGrid.HeadersVisibility == DataGridHeadersVisibility.All)
{
foreach (DataGridColumn dgcol in dGrid.Columns)
{
lstFields.Add(FormatField(dgcol.Header.ToString(), strFormat));
}
BuildStringOfRow(strBuilder, lstFields, strFormat);
}
foreach (object data in dGrid.ItemsSource)
{
lstFields.Clear();
foreach (DataGridColumn col in dGrid.Columns)
{
string strValue = "";
Binding objBinding = null;
if (col is DataGridBoundColumn)
{
objBinding = (col as DataGridBoundColumn).Binding;
}
if (col is DataGridTemplateColumn)
{
//This is a template column...
// let us see the underlying dependency object
DependencyObject objDO = (col as DataGridTemplateColumn).CellTemplate.LoadContent();
FrameworkElement oFE = (FrameworkElement)objDO;
FieldInfo oFI = oFE.GetType().GetField("TextProperty");
if (oFI != null)
{
if (oFI.GetValue(null) != null)
{
if (oFE.GetBindingExpression((DependencyProperty)oFI.GetValue(null)) != null)
{
objBinding = oFE.GetBindingExpression(
(DependencyProperty)oFI.GetValue(null)).ParentBinding;
}
}
}
}
if (objBinding != null)
{
if (objBinding.Path.Path != "")
{
PropertyInfo pi = data.GetType().GetProperty(objBinding.Path.Path);
if (pi != null)
{
strValue = pi.GetValue(data, null).ToString();
}
}
if (objBinding.Converter != null)
{
if (strValue != "")
{
strValue = objBinding.Converter.Convert(strValue, typeof(string), objBinding.ConverterParameter, objBinding.ConverterCulture).ToString();
}
else
{
strValue = objBinding.Converter.Convert(data, typeof(string), objBinding.ConverterParameter, objBinding.ConverterCulture).ToString();
}
}
}
lstFields.Add(FormatField(strValue, strFormat));
}
BuildStringOfRow(strBuilder, lstFields, strFormat);
}
StreamWriter sw = new StreamWriter(objSFD.OpenFile());
if (strFormat == "XML")
{
//Let us write the headers for the Excel XML
sw.WriteLine("<?xml version=\"1.0\" " +
"encoding=\"utf-8\"?>");
sw.WriteLine("<?mso-application progid" +
"=\"Excel.Sheet\"?>");
sw.WriteLine("<Workbook xmlns=\"urn:" +
"schemas-microsoft-com:office:spreadsheet\">");
sw.WriteLine("<DocumentProperties " +
"xmlns=\"urn:schemas-microsoft-com:" +
"office:office\">");
sw.WriteLine("<Author>Arasu Elango</Author>");
sw.WriteLine("<Created>" +
DateTime.Now.ToLocalTime().ToLongDateString() +
"</Created>");
sw.WriteLine("<LastSaved>" +
DateTime.Now.ToLocalTime().ToLongDateString() +
"</LastSaved>");
sw.WriteLine("<Company>Atom8 IT Solutions (P) " +
"Ltd.,</Company>");
sw.WriteLine("<Version>12.00</Version>");
sw.WriteLine("</DocumentProperties>");
sw.WriteLine("<Worksheet ss:Name=\"Silverlight Export\" " +
"xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\">");
sw.WriteLine("<Table>");
}
sw.Write(strBuilder.ToString());
if (strFormat == "XML")
{
sw.WriteLine("</Table>");
sw.WriteLine("</Worksheet>");
sw.WriteLine("</Workbook>");
}
sw.Close();
}
}
