C#

<br />
	xmlFileName = "\\Program Files\\SmartDeviceApplication1\\fragenkatalog.xml";<br />
			xsdFileName = "\\Program Files\\SmartDeviceApplication1\\fragenkatalog.xsd";<br />
			FileStream FsXML = new FileStream(xmlFileName,FileMode.Open);<br />
			FileStream FsXSD = new FileStream(xsdFileName,FileMode.Open);<br />
			<br />
<br />
			XmlTextReader xtrXSD = new XmlTextReader(FsXSD);<br />
			fragenkatalogDS.ReadXmlSchema(xtrXSD);<br />
			xtrXSD.Close();<br />
			FsXSD.Close();<br />
<br />
			XmlTextReader xtrXML = new XmlTextReader(FsXML);<br />
			fragenkatalogDS.ReadXml(xtrXML);<br />
			xtrXML.Close();<br />
			FsXML.Close();<br />
<br />
		DataTable dt = fragenkatalogDS.Tables["fragenkatalog"];<br />
<br />
		ca_id.DataSource = dt;<br />
		ca_id.DisplayMember = "ca_titel";<br />
		string root = "\\Program Files\\SmartDeviceApplication1\\";<br />
		DataRowView drv = (DataRowView)ca_id.SelectedItem;<br />
<br />
		ca_bildurl.Image = new Bitmap(System.IO.Path.Combine(root,drv.Row["ca_bildurl1"].ToString()));<br />
			ca_titel.DataBindings.Add("Text",dt,"ca_titel");<br />
			ca_alter.DataBindings.Add("Text",dt,"ca_alter");<br />
			ca_sex.DataBindings.Add("Text",dt,"ca_sex");<br />
			burl.DataBindings.Add("Text",dt,"ca_bildurl1");<br />
<br />
		}

// These are the Win32 error code for file not found or access denied.
const int ERROR_FILE_NOT_FOUND =2;
const int ERROR_ACCESS_DENIED = 5;

Process myProcess = new Process();
            
try
{
	myProcess.StartInfo.FileName = Application.StartupPath + "\\" + ProgramName; 
	myProcess.StartInfo.UseShellExecute = true;
	myProcess.Start();
	myProcess.WaitForExit();
}
catch (Win32Exception e)
{
	if(e.NativeErrorCode == ERROR_FILE_NOT_FOUND)
	{
		MessageBox.Show("Install file can not be located.");
	} 
	else if (e.NativeErrorCode == ERROR_ACCESS_DENIED)
	{
		// Note that if your word processor might generate exceptions
		// such as this, which are handled first.
		MessageBox.Show(ee.Message + 
			". You do not have permission to run this file.");
	}
}