注册一个新用户不会插入数据库

本文介绍了注册一个新用户不会插入数据库的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

当我按下提交按钮时，它不会将信息插入数据库!! 我的代码有什么问题？

When I press submit button it does not insert information into database !! what`s wrong with my code ?

Public Class SignUps Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If IsPostBack Then Dim con As SqlConnection = New SqlConnection(ConfigurationManager.ConnectionStrings("RegconnectionString").ConnectionString) con.Open() End If End Sub Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnReg.Click Dim con As SqlConnection = New SqlConnection(ConfigurationManager.ConnectionStrings("RegconnectionString").ConnectionString) Dim inscmd As String = "insert into Registration (UserName, Password, Email) values (@UserName, @Password, @Email)" Dim insertUser As SqlCommand = New SqlCommand(inscmd, con) Dim userCount As Int32 = GetUserCount(txtName.Text) If userCount > 0 Then LblWarning.Visible = True Else insertUser.Parameters.AddWithValue("@UserName", txtName.Text) insertUser.Parameters.AddWithValue("@Password", txtPass.Text) insertUser.Parameters.AddWithValue("@Email", txtEmail.Text) lblsucc.Visible = True '' Show message and then Redirect ClientScript.RegisterStartupScript(Page.GetType(), "Message", "alert(''successfully doen'');window.location=''Default.aspx'';", True) End If End Sub '' Method to check existence Public Shared Function GetUserCount(ByVal userName As String) As Int32 Const sql = "SELECT COUNT(*) FROM Registration where username = @UserName" Using con As New SqlConnection(ConfigurationManager.ConnectionStrings("RegconnectionString").ConnectionString) Using cmd = New SqlCommand(sql, con) cmd.Parameters.AddWithValue("@UserName", userName) con.Open() Using reader = cmd.ExecuteReader() If reader.HasRows Then reader.Read() Dim count As Int32 = reader.GetInt32(0) Return count End If End Using End Using End Using End Function End Class

推荐答案

你忘了执行 insert 命令。

像Richard说的那样，你设置了SQL Insert命令，但是你从未说过它。 Like Richard said, you setup the SQL Insert command, but you never exectued it.