Categories :

How do you pass input and output parameters in stored procedure in C#?

How do you pass input and output parameters in stored procedure in C#?

The table looks as below. Now create a stored procedure with an out parameter to insert data into the table….To get output parameters in ASP.NET, we need to write the statement like this.

  1. cmd. Parameters. Add(“@ERROR”, SqlDbType.
  2. cmd. Parameters[“@ERROR”].
  3. message = (string)cmd. Parameters[“@ERROR”].

How do I pass an output parameter to a SQL stored procedure?

To execute this stored procedure with OUTPUT parameter, follow the below steps:

  1. First, initialise a variable of same datatype as that of the output parameter. Here, we have declared @EmployeeTotal integer variable.
  2. Then pass the @EmployeeTotal variable to the stored procedure.
  3. Then execute the stored procedure.

How can we retrieve data from stored procedure in C#?

Using the code

  1. Step 1 : Create the table(user_tab) to insert data.
  2. Step 2 : Create the stored procedure to insert data to user table.
  3. Step 3 :Add windows form.
  4. Step 5 : Stored procedure to Read data.
  5. Step 6 : Read data through Stored procedure(ReadUser) and display on a grid view.

What is output parameter in C#?

A return statement can be used for returning only one value from a function. However, using output parameters, you can return two values from a function. Output parameters are similar to reference parameters, except that they transfer data out of the method rather than into it.

What is dynamic parameter in C#?

Dynamic Parameters In C# 4.0, a new type of parameters is introduced that is known as a dynamic parameter. Here the parameters pass dynamically means the compiler does not check the type of the dynamic type variable at compile-time, instead of this, the compiler gets the type at the run time.

What are output parameters?

Output parameters. An output parameter, also known as an out parameter or return parameter, is a parameter used for output, rather than the more usual use for input.

What is the difference between input and output parameters in stored procedure?

Input parameter is a parameter whose value is passed into a stored procedure/function module. 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.

What is an output parameter C++?

An out-parameter represents information that is passed from the function back to its caller. The function accomplishes that by storing a value into that parameter. Use call by reference or call by pointer for an out-parameter.

Why we use Stored Procedure in C#?

Stored Procedures are coding block in database server. IT is pre compiled entity i.e. it is compiled at once and can be used again and again. Stored procedures provide faster code execution and reduce network traffic.

How do you call a Stored Procedure in REST API?

1) GET method

  1. Create the URL.
  2. Pass the parameters if required.
  3. Create an OLE object using the sp_OACreate procedure.
  4. Pass the created OLE object and make an HTTP request call.
  5. Handle the response received from API.
  6. Parse the JSON records and insert/ update in the desired table.