/// <summary>
/// This method validates an XML document against a speciied XSD. It then loads data from the XML document
/// into the users table via the LoadUserXML method in the User class.
/// </summary>
/// <returns>DataSet with any errors that may have been generated at the database level.</returns>
/// <remarks>This method overrides the base method <see cref="XMLLoader.Load()"/>.</remarks>
public override DataSet Load()
{
try
{
//1. Validate the XML document
this.Validate();
//2. If the document is valid upload it to the database otherwise do nothing.
if (this.p_objValidationResult.IsValid)
{
DataSet dsLoadResult;
Toolbook objToolbook = new Toolbook();
//3. Loads the UserXMLData.
return(dsLoadResult = objToolbook.UploadContentObjectXML(this.GetXMLData(this.XMLFile), this.UserID, this.ModuleID, this.CourseID, this.ToolbookLocation));
}
else //4. Schema Validation failed.
{
//5. Create a new DataSet
DataSet dsLoadResult = new DataSet("LoadResult");
//6. Create a datatable with the error result from the validation struct.
DataTable dtbLoadResult = new DataTable("Result");
DataColumn dtcName = new DataColumn("Error", System.Type.GetType("System.String"));
dtbLoadResult.Columns.Add(dtcName);
DataRow drError;
drError = dtbLoadResult.NewRow();
drError["Error"] = "Invalid XML file";
dtbLoadResult.Rows.Add(drError);
//7. Log the error to the error log
//new ErrorLog(new Exception(this.ValidationResult.Error), ErrorLevel.High, "ImportToolbook", "Load", "Validate XML");
new ErrorLog(new ApplicationException(ValidationResult.Error.ToString()));
//8. Add the DataTable to the DataSet.
dsLoadResult.Tables.Add(dtbLoadResult);
//9. Return the DataSet.
return(dsLoadResult);
}
}
catch (Exception ex)
{
throw ex;
}
}
