Validate XML with XSD using ASP.net

//call following Boolean function
private bool validateSchema(String szFileName)
		{
			//this function will validate the schema file (xsd)
			
			XmlSchema myschema; 
			m_Success = true; //'make sure to reset the success var
			StreamReader sr = new StreamReader(szFileName);
			try
			{
				//sr = new StreamReader(szFileName);
				myschema = XmlSchema.Read(sr, new ValidationEventHandler (ValidationCallBack));
				//'This compile statement is what ususally catches the errors
				myschema.Compile(new ValidationEventHandler (ValidationCallBack));
			}																														
			finally
			{
				sr.Close();
			}
			return m_Success;
		}

private void ValidationCallBack(Object sender, ValidationEventArgs args)
		{
		//'Display the validation error.  This is only called on error
		m_Success = false; //'Validation failed
		writertbox("Validation error: " + args.Message);
		}