Thursday 23 May 2013

how to insert Records with Emp001 like id


how to insert Records with Emp001 like id


Create table employee(empid varchar(50),empname varchar(50),sal int)


Default.aspx code



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



<!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>Untitled Page</title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

 

        <asp:Label ID="Label1" runat="server" Text="EmpId" Font-Bold="True"

            Width="100px"></asp:Label>

    <asp:TextBox ID="txt_empid" runat="server"></asp:TextBox><br />

    <asp:Label ID="Label2" runat="server" Text="EmpName" Font-Bold="True" Width="100px"></asp:Label>

    <asp:TextBox ID="txt_empname" runat="server"></asp:TextBox><br />

    <asp:Label ID="Label3" runat="server" Text="Salary" Font-Bold="True" Width="100px"></asp:Label>

    <asp:TextBox ID="txt_sal" runat="server"></asp:TextBox><br />

    </div>

 

    <asp:Button ID="btn_insert" runat="server" onclick="btn_insert_Click"

        Text="Insert Data" /><br />

    <asp:Label ID="Label4" runat="server"></asp:Label>

 

    </form>

</body>

</html>


Default.aspx.cs code



using System;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

using System.Data.SqlClient;

public partial class _Default : System.Web.UI.Page

{

    string strConnString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

    string str;

    SqlCommand com;

    int count;

    protected void Page_Load(object sender, EventArgs e)

    {

        SqlConnection con = new SqlConnection(strConnString);

        str = "select count(*) from employee";

        com = new SqlCommand(str, con);

        con.Open();

        count = Convert.ToInt16(com.ExecuteScalar()) + 1;

        txt_empid.Text = "E000" + count;

        con.Close();

    }

    protected void btn_insert_Click(object sender, EventArgs e)

    {

        SqlConnection con = new SqlConnection(strConnString);

        con.Open();

        str = "insert into employee values('" + txt_empid.Text.Trim() + "','" + txt_empname.Text.Trim() + "'," + txt_sal.Text.Trim() + ")";

        com = new SqlCommand(str, con);

        com.ExecuteNonQuery();

        con.Close();

        Label4.Text = "Records successfully Inserted";

    }

}

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