User ID Already Exists. Please, Choose ID

Question

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While i enter the details for employee registration this error mas i found, please check the below code and make the correction please,

User ID Already Exists. Please, Choose ID

C#

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

public partial class temp_index : System.Web.UI.Page
{
    EmployeeDB empDB;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (System.Convert.ToString(Session["un"]) != "")
        { }
        else { Response.Redirect("HomePage.aspx"); }

        txtfname.Focus();
        btnSubmit.Attributes.Add("onclick", "return validate()");

    }
    protected void btnReset_Click(object sender, EventArgs e)
    {
        txtfname.Text = "";
        txtmname.Text = "";
        txtlname.Text = "";
        ddldd.Text = "DD";
        ddlmm.Text = "MM";
        ddlyyyy.Text = "YYYY";
        ddlgender.Text = "Select";
        txtaddress.Text = "";
        txtmobile.Text = "";
        txtphone.Text = "";
        txtusername.Text = "";
        txtpwd.Text = "";
        txtsalary.Text = "";
        txtfname.Focus();
        lblmsg.Visible = false;
    }
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        try
        {

            string dob = ddlmm.Text + "/" + ddldd.Text + "/" + ddlyyyy.Text;
            empDB = new EmployeeDB();
            int success = 0;
            success = empDB.AddNewEmployee(txtfname.Text.Trim(), txtmname.Text.Trim(), txtlname.Text.Trim(), dob, ddlgender.Text, txtaddress.Text.Trim(), txtmobile.Text.Trim(), txtphone.Text.Trim(), txtusername.Text.Trim(), txtpwd.Text.Trim(),txtsalary.Text.Trim());
            lblmsg.Visible = true;
            lblmsg.ForeColor = Color.Green;
            if (success > 0)
                lblmsg.Text = "Employee Registration Saved Succesfully !!";
            else
                lblmsg.ForeColor = Color.Red;
                //lblmsg.Text = "Error Occured !!";
        }
        catch (Exception ex)
        {
            lblmsg.ForeColor = Color.Red;
            lblmsg.Text = ex.ToString();
        }
    }
    protected void LinkButton2_Click(object sender, EventArgs e)
    {
        Response.Redirect("AdminHomePage.aspx");
    }
}

Posted 7-Sep-12 22:48pm

Shiva from Bangalore, Karnataka

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Comments

Sandeep Mewara 8-Sep-12 5:05am

What is the final query executing?
whats in AddNewEmployee?

Mohamed Mitwalli 8-Sep-12 5:07am

Put break point and debug your code see when this occur

2 solutions

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Karthik J, Coimbatore · Answer 1 · 2012-09-08T02:01:00

put break in the below line and debug plz,

I think this function have the code!!!!

C#

success = empDB.AddNewEmployee(txtfname.Text.Trim(), txtmname.Text.Trim(), txtlname.Text.Trim(), dob, ddlgender.Text, txtaddress.Text.Trim(), txtmobile.Text.Trim(), txtphone.Text.Trim(), txtusername.Text.Trim(), txtpwd.Text.Trim(),txtsalary.Text.Trim());

Vinod Viswanath · Answer 2 · 2012-09-08T02:23:00

Solution 3

Hi,

You can easily fix this error by removing primary key from the table or create a unique user id for each employee record.
If you can post empDB.AddNewEmployee function code we can easily figure out the root cause.

Thanks!!!

Posted 8-Sep-12 2:23am

Vinod Viswanath

Updated 8-Sep-12 2:24am

v2