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The type already contains a definition... (what does mean?)

Aug 7 2013 5:18 AM
Hi!

I receive this message when running my program. What happen please (this is my full code):
the type 'createUser' already contains a definition for create_Click

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;

public partial class createUser : System.Web.UI.Page
{
    public string GetConnectionString()
    {
        return
            System.Configuration.ConfigurationManager.ConnectionStrings["mfwamba"].ConnectionString;
    }

    private void execution(string name, string username, string password, string emailid)
    {
        SqlConnection conn = new SqlConnection(GetConnectionString);
        string sql = "INSERT INTO myTb(name, username, password, emailid) VALUES " + " (@name, @username, @password, @emailid)";
        try
        {
            conn.Open();

            SqlCommand cmd = new SqlCommand(sql, conn);
            SqlParameter[] pram = new SqlParameter[4];

            pram[0] = new SqlParameter("@name", SqlDbType.VarChar, 50);
            pram[1] = new SqlParameter("@username", SqlDbType.VarChar, 50);
            pram[2] = new SqlParameter("@password", SqlDbType.VarChar, 50);
            pram[3] = new SqlParameter("@email", SqlDbType.VarChar, 10);

            pram[0].Value = name;
            pram[1].Value = username;
            pram[2].Value = password;
            pram[3].Value = emailid;

            for (int i = 0; i < pram.Length; i++)
            {
                cmd.Parameters.Add(pram[i]);
            }
            cmd.CommandType = CommandType.Text;
            cmd.ExecuteNonQuery();
        }
        catch (System.Data.SqlClient.SqlException ex_msg)
        {
            string msg ="Error occured while inserting";
            msg+= ex_msg.Message;
            throw new Exception(msg);
        }
        finally
        {
            conn.Close();       
        }
        }
    protected void create_Click(object sender, EventArgs e)
    {
        SqlDataSource sds = new SqlDataSource();
        sds.ConnectionString = Configuration.ConnectionStrings["mfwamba"].ToString();
        sds.SelectParameters.Add("name",TypeCode.String, this.name.Text);
        sds.SelectParameters.Add("username",TypeCode.String, this.username.Text);
        sds.SelectParameters.Add("password",TypeCode.String, this.password.Text);
        sds.SelectParameters.Add("emailid",TypeCode.String, this.emailid.Text);

        sds.SelectCommand = "SELECT * FROM [myTab] WHERE [username] = @username";

        DataView dv = (DataView)sds.Select(DataSourceSelectArguments.Empty);

        if(dv.Count != 0)
        {
            this.lblinfo.ForeColor = System.Drawing.Color.Red;
            this.lblinfo.Text = "The user already Exist";
            return;
        }
        else
        {
            execution(name.Text,username.Text,password.Text,emailid.Text);
            this.lblinfo.Text="New User Profile has been created you can login now"; this.name.Text = "";
            this.username.Text = "";
            this.password.Text = "";
            this.emailid.Text = "";
        }            
    }
    }
--------------------------------------------------------

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="createUser.aspx.cs" Inherits="createUser" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <br><asp:Label ID="Label1" runat="server" Text="Name"></asp:Label></br>
        <asp:TextBox ID="TextBox1" runat="server" style="margin-left: 50px"></asp:TextBox>
        <br><asp:Label ID="Label2" runat="server" Text="Username"></asp:Label></br>
        <asp:TextBox ID="TextBox2" runat="server" style="margin-left: 26px"></asp:TextBox>
        <br><asp:Label ID="Label3" runat="server" Text="Password"></asp:Label></br>
        <asp:TextBox ID="TextBox3" textmode="Password" runat="server" style="margin-left: 27px">Password</asp:TextBox>
        <br><asp:Label ID="Label4" runat="server" Text="Email"></asp:Label></br>
        <asp:TextBox ID="TextBox4" runat="server" style="margin-left: 53px"></asp:TextBox>
        <!--<asp:Button ID="create_Click" runat="server" Text="Create User" />-->
        <asp:Label ID="lblinfo" runat="server" Text="Label"></asp:Label>

    <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</br>

        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
            DataKeyNames="id" DataSourceID="SqlDataSource1"
            EmptyDataText="There are no data records to display.">
            <Columns>
                <asp:BoundField DataField="id" HeaderText="id" ReadOnly="True"
                    SortExpression="id" />
                <asp:BoundField DataField="name" HeaderText="name" SortExpression="name" />
                <asp:BoundField DataField="username" HeaderText="username"
                    SortExpression="username" />
                <asp:BoundField DataField="password" HeaderText="password"
                    SortExpression="password" />
                <asp:BoundField DataField="emailed" HeaderText="emailed"
                    SortExpression="emailed" />
            </Columns>
        </asp:GridView>
        <asp:SqlDataSource ID="SqlDataSource1" runat="server"
            ConnectionString="<%$ ConnectionStrings:MfwambaConnectionString1 %>"
            DeleteCommand="DELETE FROM [myTb] WHERE [id] = @id"
            InsertCommand="INSERT INTO [myTb] ([name], [username], [password], [emailed]) VALUES (@name, @username, @password, @emailed)"
            ProviderName="<%$ ConnectionStrings:MfwambaConnectionString1.ProviderName %>"
            SelectCommand="SELECT [id], [name], [username], [password], [emailed] FROM [myTb]"
            UpdateCommand="UPDATE [myTb] SET [name] = @name, [username] = @username, [password] = @password, [emailed] = @emailed WHERE [id] = @id">
            <DeleteParameters>
                <asp:Parameter Name="id" Type="Int32" />
            </DeleteParameters>
            <InsertParameters>
                <asp:Parameter Name="name" Type="String" />
                <asp:Parameter Name="username" Type="String" />
                <asp:Parameter Name="password" Type="String" />
                <asp:Parameter Name="emailed" Type="String" />
            </InsertParameters>
            <UpdateParameters>
                <asp:Parameter Name="name" Type="String" />
                <asp:Parameter Name="username" Type="String" />
                <asp:Parameter Name="password" Type="String" />
                <asp:Parameter Name="emailed" Type="String" />
                <asp:Parameter Name="id" Type="Int32" />
            </UpdateParameters>
        </asp:SqlDataSource>
   
    </div>
    </form>
</body>
</html>


Answers (4)