private void UpdateOnGenerateExpression(DocumentTemplatePackage Package, string OnGenerateExpression)
{
string expression;
if (string.IsNullOrWhiteSpace(OnGenerateExpression))
expression = null;
else
expression = OnGenerateExpression.Trim();
if (Package.OnGenerateExpression != expression)
{
Package.OnGenerateExpression = expression;
DocumentTemplatePackages.UpdatePackage(Package);
Package.OnGenerateExpressionInvalidateCache();
}
}
