ASP.NET Tutorial/Configuration/ConnectionStringSettings
Modifying connection string properties at runtime (C#)
<source lang="csharp">
<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
ConnectionStringSettings conn = new ConnectionStringSettings();
conn.ConnectionString = "Server=localhost;User ID=sa;Password=password; Database=Northwind;Persist Security Info=True";
conn.Name = "AppConnectionString2";
conn.ProviderName = "System.Data.SqlClient";
Configuration config = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("/YourRoot");
config.ConnectionStrings.ConnectionStrings.Add(conn);
config.Save();
}
}
</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">
<title>Untitled Page</title>
</head> <body>
<form id="form1" runat="server">
<asp:SqlDataSource ID="SqlDataSource1" Runat="server">
</asp:SqlDataSource>
</form>
</body> </html></source>
Modifying connection string properties at runtime (VB)
<source lang="csharp">
<%@ Page Language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server">
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
If (Not Page.IsPostBack) Then
Dim conn As New ConnectionStringSettings()
conn.ConnectionString = _
"Server=localhost;User ID=sa;Password=password" & _
"Database=Northwind;Persist Security Info=True"
conn.Name = "AppConnectionString2"
conn.ProviderName = "System.Data.SqlClient"
Dim config as Configuration = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("/YourRoot")
config.ConnectionStrings.ConnectionStrings.Add(conn)
config.Save()
End If
End Sub
</script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">
<title>Untitled Page</title>
</head> <body>
<form id="form1" runat="server">
<asp:SqlDataSource ID="SqlDataSource1" Runat="server">
</asp:SqlDataSource>
</form>
</body> </html></source>
