You can use standard C# function in Stimulsoft .MRT report although I have not seen them in documents as such. For example if you want to add two parameter values in Stimulsoft MRT Report, you will have to convert them to integer first. By default they are of “Object” type.
In the following example, I am converting @Month object into an integer. It must first be converted to string using ToString() and then use Int32.Parse() function to convert it.
{Int32.Parse(DataSource1.Parameters["@Month"].ParameterValue.ToString())}
This variable can then be added to another variable (concatenation) as
Int32.Parse(DataSource1.Parameters[“@num1”].ParameterValue.ToString()) + Int32.Parse(DataSource1.Parameters[“@numb”].ParameterValue.ToString())
Coooool, Thanks!