problem with add and update

Question

0.00/5 (No votes)

See more:

hi all

the select statement work correctly but i have problem with add and update to database in same program. i used this code to add:

C#

UserInformation.InsertUserWithProcedure(textBox1.Text, textBox2.Text);
 
public static void InsertUserWithProcedure(string UserName, string Password)
        {
            SqlConnection con = new SqlConnection();
            SqlCommand com = new SqlCommand();
            con.ConnectionString = DataAccess.str;
            con.Open();
            com.Connection = con;

            com.CommandType = CommandType.StoredProcedure;
            com.CommandText = "insert_user";

            com.Parameters.Add("@UserName", SqlDbType.NVarChar, 300).Value = UserName;
            com.Parameters.Add("@Password", SqlDbType.NVarChar,300).Value = Password;           
            com.ExecuteNonQuery();
            con.Close();
        }

and the stored procedure is

SQL

ALTER procedure [dbo].[insert_user]
@Username nvarchar(300),@Password nvarchar(300)
as
insert into UserData (Username,Password) values (@Username,@Password)

and i do not know what is the wrong
please help
thanks

Posted 29-Sep-12 8:44am

shimaa010

Updated 29-Sep-12 9:00am

Sandeep Mewara

v2

Add a Solution

Comments

Kuthuparakkal 29-Sep-12 14:53pm

any error ?

shimaa010 29-Sep-12 15:00pm

no error but when add no data inserted to database

[no name] 29-Sep-12 15:23pm

Put your code in try/catch block, maybe you will see the error.

shimaa010 29-Sep-12 15:46pm

i notes that data added as it appear in datagridview when i run program but when close it and run it again no data appear as no data added before

2 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

**Zoltán Zörgő** · Answer 1 · 2012-09-29T09:35:00

Solution 1

Try AddWithValue[^] instead of linking.

Posted 29-Sep-12 9:35am

Zoltán Zörgő

Ahmed Mandur · Answer 2 · 2012-09-30T05:05:00

Hi,
Please Try the code below it works for me

C#

public static void InsertUserWithProcedure(string UserName, string Password)
{
    SqlConnection con = new SqlConnection(DataAccess.str);
    con.Open();
    SqlCommand com = new SqlCommand("insert_user", con);
    com.CommandType = CommandType.StoredProcedure;
    com.Parameters.AddWithValue("@UserName", UserName);
    com.Parameters.AddWithValue("@Password", Password);
    com.ExecuteNonQuery();
    con.Close();
}

your code seems also to work for me and i have tested it
so if you have a problem with select code with this code please attach your code to try to solve the issue you are facing

Regards,
Ahmed Mandour