SqlDataSource1.insert() Syntax Error!!!

I am so close to haveing the web page i want, but i hve a syntax error with the Public Function Insert() as Integer.

I see no reason for this

i will post the code below, any help will be appreciated

<%@ Page Language="VB" MasterPageFile="~/MasterPage.master" %>

<script runat="server">

Private Sub Submitdata(ByVal Source As Object, ByVal e As EventArgs)

SqlDataSource1.Insert()

End Sub ' Submitdata

</script>

<asp:Content ID="Content1" runat="server" ContentPlaceHolderID="ContentPlaceHolder1">

<asp:sqldatasource

id="SqlDataSource1"

runat="server"

connectionstring="<%$ ConnectionStrings:clientInfoConnectionString %>"

selectcommand="SELECT Client Name,Client Address FROM Clients"

insertcommand="INSERT INTO Clients (Client Name,Client Address) VALUES (@CName,@CAddress)">

<insertparameters>

<asp:formparameter name="CName" formfield="Namebox" />

<asp:formparameter name="CAddress" formfield="Addressbox" />

</insertparameters>

</asp:sqldatasource>

&nbsp;Name:<br />

<asp:TextBox ID="Namebox" runat="server" /><br />

 

<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="Namebox"

ErrorMessage="Please Enter A Name"></asp:RequiredFieldValidator>

 

<br />Address:<br />

<asp:TextBox ID="Addressbox" runat="server" /><br />

 

<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ControlToValidate="Addressbox"

ErrorMessage="Please Enter An Address"></asp:RequiredFieldValidator>

 

<br /><asp:Button ID="Submitbtn" runat="server" Text="Submit" OnClick="InsertShipper" />

<br />

 

 

</asp:Content>

Thanks

The King