VB.NET ASP.NET Sql Command Insert Statement Source Code Example

Posted by asp.net videos on Sunday, December 13, 2009 · Leave a Comment

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Sql Command Insert Statement

Purpose: – Illustrates using Sql Command Insert Statement in VB.NET ASP.NET.

Prerequistes:

Install Visual Web Developer 2008
Install SQL Server Express
Download Northwind and Pubs Databases
Attach Northwind Database to Databases in Sql Express
Attach pubs Database to Databases in Sql Express

Notes:

You can build your own library of syntax examples by using same web site over and over and just add new web forms to it.

Instructions:

Use Visual Web Developer 2008
Create new web site;
- Click File/New Web Site
- Select ASP.NET Website Template
- Select Visual Basic for Language
- name of Web Site could be VBNET_ASPNET_Syntax.
Add New folder named "Database_ADONET"
- Right-click project name in solution explorer;
- add new folder;
- name of folder could be: Database_ADONET
Add Web Form Named SqlCommandSelect to Database_ADONET folder
- Right-click Database_ADONET folder;
- add new item;
- Select Web Form
- Check place code behind in separate file
- Web Form name could be SqlCommandInsert
Click on copy code in code below to copy code into web form SqlCommandInsert.aspx
Click on copy code in second set of code below to copy code into code-behind SqlCommandInsert.aspx.vb
Right-click on SqlCommandInsert.aspx in solution explorer and select view in browser

Step 1: Click on Copy Code to Cut-n-paste code into SqlCommandInsert.aspx

 XML |   copy code | ?  
01 
02 <%@ Page Language="VB" AutoEventWireup="false" CodeFile="SqlCommandInsert.aspx.vb" Inherits="Database_ADONET_SqlCommandInsert" %>
03  
04 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
05  
06 <html xmlns="http://www.w3.org/1999/xhtml">
07 <head runat="server">
08     <title></title>
09 </head>
10 <body>
11     <form id="form1" runat="server">
12     <div>
13         <table>
14         <tr>
15         <td>First Name: </td><td>
16         <asp:TextBox ID="txtFirstName" runat="server"></asp:TextBox>
17         </td>
18         </tr>
19         <tr>
20         <td>Last Name: </td><td>
21         <asp:TextBox ID="txtLastName" runat="server"></asp:TextBox>
22         </td>
23         </tr>
24         </table><br />
25         <asp:Button ID="btnInsert" runat="server" Text="Insert" /><br />
26         <asp:Label ID="lblErrMsg" runat="server" Text="lblErrMsg" ForeColor="#FF3300" 
27             Visible="False"></asp:Label><br />
28         <asp:GridView ID="GridView1" runat="server" DataSourceID="sdsEmployees">
29         </asp:GridView>
30         <asp:SqlDataSource ID="sdsEmployees" runat="server" 
31             ConnectionString="<%$ ConnectionStrings:Northwind_ConnectionString %>" 
32             SelectCommand="SELECT [FirstName], [LastName] FROM [Employees]">
33         </asp:SqlDataSource>
34     </div>
35     </form>
36 </body>
37 </html>
38  
39

Step 2: Click on Copy Code to Cut-n-paste code into SqlCommandInsert.aspx.vb

 Visual Basic |   copy code | ?  
01 
02 Imports System
03 Imports System.Data
04 Imports System.Data.SqlClient
05  
06 Partial Class Database_ADONET_SqlCommandInsert
07     Inherits System.Web.UI.Page
08  
09     Protected Sub btnInsert_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnInsert.Click
10         Dim thisConnection As New SqlConnection(ConfigurationManager.ConnectionStrings("Northwind_ConnectionString").ConnectionString)
11  
12         'Create Command object
13         Dim nonqueryCommand As SqlCommand = thisConnection.CreateCommand()
14  
15         Try
16             ' Open Connection
17             thisConnection.Open()
18  
19  
20             ' Create INSERT statement with named parameters
21             nonqueryCommand.CommandText = _
22                "INSERT  INTO Employees (FirstName, LastName) VALUES (@FirstName, @LastName)"
23  
24             ' Add Parameters to Command Parameters collection
25             nonqueryCommand.Parameters.Add("@FirstName", SqlDbType.VarChar, 10)
26             nonqueryCommand.Parameters.Add("@LastName", SqlDbType.VarChar, 20)
27  
28  
29             nonqueryCommand.Parameters("@FirstName").Value = txtFirstName.Text
30             nonqueryCommand.Parameters("@LastName").Value = txtLastName.Text
31  
32             nonqueryCommand.ExecuteNonQuery()
33  
34         Catch ex As SqlException
35             ' Display error
36             lblErrMsg.Text = ex.ToString()
37             lblErrMsg.Visible = True
38  
39         Finally
40             ' Close Connection
41             thisConnection.Close()
42  
43         End Try
44         GridView1.DataBind()
45     End Sub
46  
47     Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
48         lblErrMsg.Visible = False
49  
50     End Sub
51 End Class
52  
53

Step 3: Click on Copy Code to Cut-n-paste code into web.config right after the appSettings section

 XML |   copy code | ?  
1 
2 <connectionStrings>
3     <add name="Northwind_ConnectionString"
4       connectionString="Server=(local)\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=SSPI" />
5     <add name="Pubs_ConnectionString"
6       connectionString="Server=(local)\SQLEXPRESS;Initial Catalog=pubs;Integrated Security=SSPI" />
7   </connectionStrings>
8

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Filed under Code Samples · Tagged with asp.net, example, Insert Statement, Source code, Sql Command, vb.net

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01
02	<%@ Page Language="VB" AutoEventWireup="false" CodeFile="SqlCommandInsert.aspx.vb" Inherits="Database_ADONET_SqlCommandInsert" %>
03
04	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
05
06	<html xmlns="http://www.w3.org/1999/xhtml">
07	<head runat="server">
08	<title></title>
09	</head>
10	<body>
11	<form id="form1" runat="server">
12	<div>
13	<table>
14	<tr>
15	<td>First Name: </td><td>
16	<asp:TextBox ID="txtFirstName" runat="server"></asp:TextBox>
17	</td>
18	</tr>
19	<tr>
20	<td>Last Name: </td><td>
21	<asp:TextBox ID="txtLastName" runat="server"></asp:TextBox>
22	</td>
23	</tr>
24	</table><br />
25	<asp:Button ID="btnInsert" runat="server" Text="Insert" /><br />
26	<asp:Label ID="lblErrMsg" runat="server" Text="lblErrMsg" ForeColor="#FF3300"
27	Visible="False"></asp:Label><br />
28	<asp:GridView ID="GridView1" runat="server" DataSourceID="sdsEmployees">
29	</asp:GridView>
30	<asp:SqlDataSource ID="sdsEmployees" runat="server"
31	ConnectionString="<%$ ConnectionStrings:Northwind_ConnectionString %>"
32	SelectCommand="SELECT [FirstName], [LastName] FROM [Employees]">
33	</asp:SqlDataSource>
34	</div>
35	</form>
36	</body>
37	</html>
38
39

01
02	Imports System
03	Imports System.Data
04	Imports System.Data.SqlClient
05
06	Partial Class Database_ADONET_SqlCommandInsert
07	Inherits System.Web.UI.Page
08
09	Protected Sub btnInsert_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnInsert.Click
10	Dim thisConnection As New SqlConnection(ConfigurationManager.ConnectionStrings("Northwind_ConnectionString").ConnectionString)
11
12	'Create Command object
13	Dim nonqueryCommand As SqlCommand = thisConnection.CreateCommand()
14
15	Try
16	' Open Connection
17	thisConnection.Open()
18
19
20	' Create INSERT statement with named parameters
21	nonqueryCommand.CommandText = _
22	"INSERT INTO Employees (FirstName, LastName) VALUES (@FirstName, @LastName)"
23
24	' Add Parameters to Command Parameters collection
25	nonqueryCommand.Parameters.Add("@FirstName", SqlDbType.VarChar, 10)
26	nonqueryCommand.Parameters.Add("@LastName", SqlDbType.VarChar, 20)
27
28
29	nonqueryCommand.Parameters("@FirstName").Value = txtFirstName.Text
30	nonqueryCommand.Parameters("@LastName").Value = txtLastName.Text
31
32	nonqueryCommand.ExecuteNonQuery()
33
34	Catch ex As SqlException
35	' Display error
36	lblErrMsg.Text = ex.ToString()
37	lblErrMsg.Visible = True
38
39	Finally
40	' Close Connection
41	thisConnection.Close()
42
43	End Try
44	GridView1.DataBind()
45	End Sub
46
47	Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
48	lblErrMsg.Visible = False
49
50	End Sub
51	End Class
52
53

1
2	<connectionStrings>
3	<add name="Northwind_ConnectionString"
4	connectionString="Server=(local)\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=SSPI" />
5	<add name="Pubs_ConnectionString"
6	connectionString="Server=(local)\SQLEXPRESS;Initial Catalog=pubs;Integrated Security=SSPI" />
7	</connectionStrings>
8