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Showing posts with label Multi-Select List Box. Show all posts
Showing posts with label Multi-Select List Box. Show all posts

Wednesday, 22 May 2013

Insert multiple selected items of ListBox into SQL Server database

Insert multiple selected items of ListBox into SQL Server database
Introduction : -

In this tutorial, we will learn how to create a ListBox control at design-time as well as at run-time. We will also see how to create a multiple-column ListBox control with single and multiple selections. This article also covers most of the properties and methods of the ListBox control.

Description :-
  In my previous article i have used to save list box selected data in multiple column.
This example shows the basics on how to save multiple selected items from the ASP.Net ListBox control to the database in ASP.Net. Please note that this example requires a basic knowledge of ADO.NET.

STEP1: Setting up the User Interface (GUI)

For the simplicity of this demo, I just set up the web form like below:

<html xmlns="">
<head runat="server">
    <title>Untitled Page</title>
    <form id="form1" runat="server">
        Employee Names: <br />
        <asp:ListBox ID="ListBox1" runat="server" Height="149px" SelectionMode="Multiple" Width="113px">
    <br />
    <asp:Button ID="Button1" runat="server" Text="Save" onclick="Button1_Click" />


* Since the ListBox is intended for multiple item selections then we need to set the SelectionMode attribute of the ListBox to Multiple

* To do multiple Selections in the ListBox then just hold Ctrl key and select the items you want.
STEP 2: Creating a Simple Database Table

In this demo, we are going to store the selected employee names that is selected from the ListBox to the database. So let's now create a simple table that contains the following Column Names:
Note [-id  is auto increment]

Note: I set the Id to auto increment so that the id will be automatically generated for every new added row. To do this select the Column name “Id” and in the column properties set the “Identity Specification” to yes.

STEP 3: Declaring the necessary name spaces:

Be sure to add the following namespaces below:

using System.Data.SqlClient;
using System.Collections.Specialized;
using System.Text;

We need to declare the namespaces above so that we can use the SqlClient, StrngCollections and StringBuilder built-in methods in our codes later.

STEP4: Creating the Method for Multiple Inserts.

Here are the code blocks below:

private string GetConnectionString()
        //Where DBConnection is the connetion string that was set up in the web config file
        return System.Configuration.ConfigurationManager.ConnectionStrings["DBConnection"]
    private void InsertRecords(StringCollection sc)
        SqlConnection conn = new SqlConnection(GetConnectionString());
        StringBuilder sb = new StringBuilder(string.Empty);
        foreach (string item in sc)
            const string sqlStatement = "INSERT INTO Table1 (Employees) VALUES";
            sb.AppendFormat("{0}('{1}'); ", sqlStatement, item);
            SqlCommand cmd = new SqlCommand(sb.ToString(), conn);
            cmd.CommandType = CommandType.Text;
            Page.ClientScript.RegisterClientScriptBlock(typeof(Page), "Script", "alert('Records Successfuly Saved!');", true);
        catch (System.Data.SqlClient.SqlException ex)
            string msg = "Insert Error:";
            msg += ex.Message;
            throw new Exception(msg);
    protected void Page_Load(object sender, EventArgs e)
    protected void Button1_Click(object sender, EventArgs e)
        StringCollection sc = new StringCollection();
        foreach (ListItem item in ListBox1.Items)
            if (item.Selected)

STEP5: Compile and Run the Application.

The page output would look something like below:

On Run Time

 On Selection The Name From the ListBox And Press Save Button

Genrate the Pupop After Insert The Record In the database image as shown below



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