C# call stored procedure with input and output parameters

I can do a delete, insert and update in my program and I try to do an insert by call a created stored procedure from my database. I searched on google for some good example but I found nothing interesting. It's pretty much the same as running a query. In your original code you are creating a command object, putting it in the cmd variable, and never use it.

How to return Output parameter from Stored Procedure in utabumo.web.fc2.com using C# and utabumo.web.fc2.com

Here, however, you will use that instead of da. Also, use a using for all disposable objects, so that you are sure that they are disposed properly:.

Add String parameterName, Object value is deprecated now. AddWithValue String parameterName, Object value.

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Add String parameterName, Object value has been deprecated. Use AddWithValue String parameterName, Object value. There is no difference in terms of functionality. The reason they deprecated the cmd.

Add String parameterName, Object value in favor of AddWithValue String parameterName, Object value is to give more clarity.

Here is the MSDN reference for the same. NET Data Providers consist of a number of classes used to connect to a data source, execute commands, and return recordsets. The Command Object in ADO.

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NET provides a number of Execute methods that can be used to perform the SQL queries in a variety of fashions. A stored procedure is a pre-compiled executable object that contains one or more SQL statements. In many cases stored procedures accept input parameters and return multiple values. Parameter values can be supplied if a stored procedure is written to accept them. A sample stored procedure with accepting input parameter is given below:.

The above stored procedure is accepting a country name COUNTRY VARCHAR 20 as parameter and return all the publishers from the input country. Once the CommandType is set to StoredProcedure, you can use the Parameters collection to define parameters. As an alternative, I have a library that makes it easy to work with procs: Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count.

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Log In Sign Up. Join the Stack Overflow Community. Stack Overflow is a community of 7. Join them; it only takes a how to trade forex legally in india Call a stored procedure with parameter in c Ask Question. This a button insert I make work well. Add " FirstName", SqlDbType. Add " LastName", SqlDbType.

FrankSharp 6 24 Also, use a using for all disposable objects, so that you are sure that they are disposed properly: Guffa k 60 Then you use ExecuteReader or ExecuteScalar to call it.

Yes, that is another way to do the same thing. The data adapter uses ExecuteReader. That depends on the database settings.

The default setting is that identifiers are not case sensetive. It's the collation setting of the database that determines whether identifiers are case sensetive. C# call stored procedure with input and output parameters " FirstName", txtfirstname ; cmd. AddWithValue " LastName", txtlastname ; con. Simple Sandman 1 9 It's better to specify the parameter's length explicitly, and then add the value separately using parameter.

AddWithValue String parameterName, Object value Add String parameterName, Object value has been deprecated. Use AddWithValue String parameterName, Object value There is no difference in terms of functionality. AddWithValue " FirstName", SqlDbType. AddWithValue " LastName", SqlDbType.

Rahul Nikate 4, 4 20 David Add String parameterName, Object value has been deprecated. AddWithValue is also not the best way since it infers the type of the parameter from the paramater value. This often leads to bad execution plans or incorrect conversions.

It also doesn't validate the parameter in the first place f. You can see here that only Add which takes an Object as second argument is deprecated. AddWithValue has just the same functionality than Add with Objectbut it's not the preferred way.

Both need to infer the type. You're absolutely right, TimSchmelter.

My reading of the text was flawed. Thanks for the correction. I'm writing some new code where I'll be using Add.

And I'll change my upvote on this Answer to a downvote, as Rahul Nikate was as mistaken as I was. Adding the parameters separately gave me issues, so I did this and it worked great: Rainhider 1 3 A sample stored procedure with accepting input parameter is given below: Add param ; The above code passing country parameter to the stored procedure from C application.

Sudhakar Rao 5. AddSqlParameter " FirstName", SqlDbType. Greg R Taylor 2 4.

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AddWithValue is a bad idea; SQL Server doesn't always use the correct length for nvarchar or varchar, causing an implicit conversion to occur. Do you have a link or source to the claim that cmd. ExecuteNonQuery "StoreProcedureName" ; share. MathOverflow Mathematics Cross Validated stats Theoretical Computer Science Physics Chemistry Biology Computer Science Philosophy more 3. Meta Stack Exchange Stack Apps Area 51 Stack Overflow Talent.