Dynamic increment of empid using Dropdownlist [Resolved]

Posted by Kundan under ASP.NET on 8/26/2013 | Points: 10 | Views : 1125 | Status : [Member] | Replies : 1
First empid will be in E001, E002, E003 format.When page is loaded empid is dynamically added to the Dropdownlist.There are two textboxes where we insert values and there is a insert button atlast.when insert button is clicked data got inserted to the database.




Responses

Posted by: Satyapriyanayak on: 8/26/2013 [Member] [MVP] Silver | Points: 50

Up
0
Down

Resolved
Here is one sample example 

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Dropdown._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:DropDownList ID="DropDownList1" runat="server"/><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>


using System;
using System.Collections;
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;
namespace Dropdown
{
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)
{
if (!IsPostBack)
{
bindgrid();
}
}


private void bindgrid()
{
DropDownList1.Items.Clear();
DropDownList1.Items.Add("Select");
SqlConnection con = new SqlConnection(strConnString);
str = "select count(*) from employee";
com = new SqlCommand(str, con);
con.Open();
count = Convert.ToInt16(com.ExecuteScalar()) + 1;
DropDownList1.Items.Add("E00" + count);
con.Close();

}

protected void btn_insert_Click(object sender, EventArgs e)
{

SqlConnection con = new SqlConnection(strConnString);
con.Open();
str = "insert into employee values('" + DropDownList1.SelectedItem.Text.Trim() + "','" + txt_empname.Text.Trim() + "'," + txt_sal.Text.Trim() + ")";
com = new SqlCommand(str, con);
com.ExecuteNonQuery();
con.Close();
Label4.Text = "Records successfully Inserted";
bindgrid();
}
}
}



If this post helps you mark it as answer
Thanks

Kundan, if this helps please login to Mark As Answer. | Alert Moderator

Login to post response