Error:Procedure or function sp_mandal has too many arguments specified.

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Im trying to insert records in table..
if the name is already existed in particular column, i have to display. Username alredy existed.
else insert that records...

I have tried like this...

C#

protected void Update_Click(object sender, EventArgs e)
    {
        int d = obj.check_mandal(txt_mname.Text);
        if (d > 0)
        {
            ClientScript.RegisterStartupScript(GetType(), "alert", "alert('Mandal name already existed. kindly update it.');", true);
        }
        else
        {

            obj.mandals(txt_mname.Text, txt_desp.Text);

            ClientScript.RegisterStartupScript(GetType(), "alert", "alert('Mandal details inserted Sucessfully');", true);

            txt_mname.Text = txt_desp.Text = "";
        }
    }

C#

public int check_mandal(string s)
     {

         SqlConnection con = new SqlConnection(s1);
         cmd.Connection = con;
         cmd.CommandType = CommandType.StoredProcedure;
         cmd.CommandText = "sp_check_mandal";
         cmd.Parameters.AddWithValue("@mname", s);
         con.Open();
         int c = cmd.ExecuteNonQuery();
         con.Close();
         return c;
         }

public void mandals(string mname, string desp1)
    {

        SqlConnection con = new SqlConnection(s1);
        cmd.Connection = con;
        cmd.CommandType = CommandType.StoredProcedure;
        cmd.CommandText = "sp_mandal";
        con.Open();

        cmd.Parameters.AddWithValue("@spmname", mname);

        cmd.Parameters.AddWithValue("@spdesp", desp1);


        cmd.ExecuteNonQuery();

        con.Close();
    }

sql....

SQL

create procedure [dbo].[sp_mandal]
@spmname varchar(100),@spdesp varchar(max)
as
begin
insert into mandal(mname,desp) values(@spmname,@spdesp)
end

SQL

CREATE procedure [dbo].[sp_check_mandal](@mname varchar(100))
as
begin
select mname from mandal where mname=@mname
end

But it showing error:

Procedure or function sp_mandal has too many arguments specified.

Kindly help me to fix this issue..

Thanks in advance

Posted 17-Jun-14 17:15pm

priya dharshan

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DamithSL · Answer 1 · 2014-06-17T17:24:00

Solution 1

Issue here is you are adding parameters to same connection in each method again and again when you click on button.
call

C#

cmd.Parameters.Clear();

before adding parameters in each method.
you better create command object like you doing for SqlConnection for each method. Don't use shared command.

Posted 17-Jun-14 17:24pm

DamithSL

Updated 17-Jun-14 17:25pm

v2

AshishvermaMCA · Answer 2 · 2014-06-17T18:44:00

Try This-

static void GetSalesByCategory(string connectionString, string categoryName)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
// Create the command and set its properties.
SqlCommand command = new SqlCommand();
command.Connection = connection;
command.CommandText = "SalesByCategory";
command.CommandType = CommandType.StoredProcedure;

// Add the input parameter and set its properties.
SqlParameter parameter = new SqlParameter();
parameter.ParameterName = "@CategoryName";
parameter.SqlDbType = SqlDbType.NVarChar;
parameter.Direction = ParameterDirection.Input;
parameter.Value = categoryName;

// Add the parameter to the Parameters collection.
command.Parameters.Add(parameter);

// Open the connection and execute the reader.
connection.Open();
SqlDataReader reader = command.ExecuteReader();

if (reader.HasRows)
{
while (reader.Read())
{
Console.WriteLine("{0}: {1:C}", reader[0], reader[1]);
}
}
else
{
Console.WriteLine("No rows found.");
}
reader.Close();
}
}