FormView1 动态传参数

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class addSer : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["userId"] == null)
            {
                Response.Write("<script>alert('你还没有登陆');window.target='main';window.location.href='logic.aspx'</script>");
            }
            else
            {
               // DetailsView1.DefaultMode = DetailsViewMode.Insert;
            }

}
}

    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        DropDownList dr = (DropDownList)FormView1.FindControl("DropDownList1");
        SqlDataSource1.InsertParameters[1].DefaultValue = dr.SelectedValue;
    }

    protected void DropDownList2_SelectedIndexChanged(object sender, EventArgs e)
    {
        DropDownList dr = (DropDownList)FormView1.FindControl("DropDownList2");
        SqlDataSource1.InsertParameters[7].DefaultValue = dr.SelectedValue;
    }

    protected void DropDownList3_SelectedIndexChanged(object sender, EventArgs e)
    {
        DropDownList dr = (DropDownList)FormView1.FindControl("DropDownList3");
        SqlDataSource1.InsertParameters[8].DefaultValue = dr.SelectedValue;
    }

    protected void DropDownList4_SelectedIndexChanged(object sender, EventArgs e)
    {
        DropDownList dr = (DropDownList)FormView1.FindControl("DropDownList4");
        SqlDataSource1.InsertParameters[10].DefaultValue = dr.SelectedValue;
    }

    protected void FormView1_ItemInserting(object sender, FormViewInsertEventArgs e)
    {
        if (SqlDataSource1.InsertParameters[1].DefaultValue == null)
        {
            DropDownList dr = (DropDownList)FormView1.FindControl("DropDownList1");
            SqlDataSource1.InsertParameters[1].DefaultValue = dr.Text;
        }

        if (SqlDataSource1.InsertParameters[7].DefaultValue == null)
        {
             DropDownList dr = (DropDownList)FormView1.FindControl("DropDownList2");
             SqlDataSource1.InsertParameters[7].DefaultValue = dr.Text;
        }

        if (SqlDataSource1.InsertParameters[8].DefaultValue == null)
        {
            DropDownList dr = (DropDownList)FormView1.FindControl("DropDownList3");
            SqlDataSource1.InsertParameters[8].DefaultValue = dr.Text;
        }

        if (SqlDataSource1.InsertParameters[10].DefaultValue == null)
        {
            DropDownList dr = (DropDownList)FormView1.FindControl("DropDownList4");
            SqlDataSource1.InsertParameters[10].DefaultValue = dr.Text;
        }
    }
    protected void FormView1_ItemInserted(object sender, FormViewInsertedEventArgs e)
    {
        Response.Write("<script>alert('插入成功,请继续添加');</script>");
    }
}

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="addSer.aspx.cs" Inherits="addSer" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">