Adding a Custom Function to the Designer
Our sample projects and report templates can help you learn the basics of working with our products.Add a custom function to the expression engine and call it from a dashboard template during rendering.
Registering the function. Define the function signature, register it with the expression engine, and call it from a template expression during rendering.
Registering the function. Define the function signature, register it with the expression engine, and call it from a template expression during rendering.
StiFunctions.AddFunction("MyCategory", "MySum",
"description", typeof(CustomFunction),
typeof(decimal), "Calculates a sum of the specified set of values.",
new[] { typeof(object) }, new[] { "values" }, new[] { "A set of values" });
this.Report = StiReport.CreateNewDashboard();StiFunctions.AddFunction registers the method with its category, name, return type and parameters. It then appears in the designer's function list and can be used in any dashboard expression.