小编Ban*_*ner的帖子

参考我的上一个问题:" 连接未关闭.连接的当前状态是打开的 ".我正在尝试使用带有ASP.NET的vb.net进行注册表单.在解决了"关闭连接"问题之后.我有问题将数据插入我的数据库.当我尝试验证数据时,它给我一个错误消息:

必须声明标量变量"@User_Name"

有人可以帮我调试吗？谢谢

    Imports System.Data
    Imports System.Configuration
    Imports System.Data.SqlClient
    Partial Class Register2

Inherits System.Web.UI.Page

'declaring connection string and command
'here we are extracting connection string from web.config file
Private con As New SqlConnection(ConfigurationManager.ConnectionStrings("MauriAuctions").ToString())
Private cmd As New SqlCommand()

Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
    Try
        cmd.Connection = con
        'assigning connection to command
        cmd.CommandType = CommandType.Text
        'representing type of command
        'cmd.CommandText = "INSERT INTO UserDetails (User_Name,Fname,Lname,Email,Password,Gender,Dob,Mobile,Address) values
        ' (@User_Name,@Fname,@Lname,@Email,@Password,@Gender,@Dob,@Mobile,@Address)";
        cmd.CommandText = "INSERT INTO …