How can we return output parameter from stored procedure in asp net using C#?

How can we return output parameter from stored procedure in asp net using C#?
To get output parameters in ASP.NET, we need to write the statement like this.
- cmd. Parameters. Add(“@ERROR”, SqlDbType. Char, 500);
- cmd. Parameters[“@ERROR”]. Direction = ParameterDirection. Output;
- message = (string)cmd. Parameters[“@ERROR”]. Value;
What is output variable in stored procedure?
Output parameter is a parameter whose value is passed out of the stored procedure/function module, back to the calling PL/SQL block. An OUT parameter must be a variable, not a constant. It can be found only on the left-hand side of an assignment in the module.
How to call a stored procedure from another stored procedure?
In Object Explorer,connect to an instance of the SQL Server Database Engine,expand that instance,and then expand Databases.
Is it possible to use “return” in stored procedure?
When used with a stored procedure, RETURN cannot return a null value. If a procedure tries to return a null value (for example, using RETURN @status when @status is NULL), a warning message is generated and a value of 0 is returned.
How to retrieve stored procedure return value with Dapper?
– Right click on Solution ,find Manage NuGet Package manager and click on it. – After as shown into the image and type in search box ” dapper “. – Select Dapper as shown into the image . – Choose version of dapper library and click on install button.
How to run stored procedure?
Execute a stored procedure. Connect to the Database Engine. From the Standard bar,select New Query.