Execute insert command by using SqlCommand : SqlCommand « ADO.net Database « ASP.NET Tutorial






  1. ASP.NET Tutorial
  2. ADO.net Database
  3. SqlCommand
<%@ Page Language="C#" %>
<%@ import Namespace="System.Data" %>
<%@ import Namespace="System.Data.SqlClient" %>
<script runat="server">

   
    void Page_Load(object sender, EventArgs e) {
        string ConnectionString = ConfigurationSettings.AppSettings["MSDEConnectString"];
        SqlConnection myConnection = new SqlConnection(ConnectionString);
    
        try{
            string CommandText = "INSERT Publisher (PublisherName, PublisherCity, PublisherContact_Email, PublisherWebsite) VALUES ('New Publisher', 'Newcastle', 'bigcheese@newpublish.com', 'http://www.newpublish.com')";
            SqlCommand myCommand = new SqlCommand(CommandText, myConnection);
    
            myConnection.Open();
    
            lblRecords.Text = Convert.ToString(myCommand.ExecuteNonQuery());
        }
        catch (Exception ex){
            throw(ex);
        }
        finally{
            myConnection.Close();
        }
    }

</script>
<html>
<head>
</head>
<body>
    <form runat="server">
        Records affected: <asp:Label id="lblRecords" runat="server"></asp:Label>

    </form>
</body>
</html>


File: Web.config

<configuration>
    <appSettings>
        <add key="MSDEConnectString" value="server=(local)\YourDatabase;database=Books;uid=YourID;pwd=letmein;" />
    </appSettings>
</configuration>








18.3.SqlCommand
18.3.1.Create SqlCommand from sql statement and connection
18.3.2.Executing a Command
18.3.3.Executing a Command with Parameters
18.3.4.Returning a Single Value
18.3.5.Read scalar data by using SqlCommand
18.3.6.Execute insert command by using SqlCommand
18.3.7.Execuate select command by using the SqlCommand
18.3.8.Execute update command
18.3.9.Attach SqlCommand to DataGrid
18.3.10.Pass a CommandBehavior.CloseConnection parameter to the ExecuteReader() method.
18.3.11.Executing Asynchronous Database Commands
18.3.12.Avoid SQL injection
18.3.13.Avoid SQL Injection attack
18.3.14.Browser Snoop