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用户注册vb.net,用户注册页面html代码
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求教vb.net用户注册功能大概应该怎么实现。
你去学习如何建立窗体,如何调出窗体,隐藏窗体,等等,就可以了。如果这个些不会,你就没法做成注册的。
相关问答
Q1: vb.net怎么写注册代码
Private Sub 提交_Click()
Dim stemp As String
Dim rs As ADODB.Recordset
Set rs = New ADODB.Recordset
stemp = "select * from user"
rs.Open stemp, CurrentProject.Connection, adOpenKeyset, adLockOptimistic
If Me!密码 确认密码 Then
MsgBox "两次输入的密码不一致,请重新输入", vbExclamation, "Error"
Exit Sub
Else
stemp = "insert into user"
stemp = stemp "(用户名,密码,身份证号)"
stemp = stemp " values('" Me!用户名 "','" Me!密码 "','" Me!身份证号 "')"
DoCmd.RunSQL stemp1
Set rs = Nothing
End If
MsgBox "The information of register have saved already!", vbExclamation, "information"
End Sub
Q2: VB.NET 注册代码
写两个函数,一个检测是否有重复用户,第二个插入
检测属用户是否存在
private function checkUser(byval uname as string) as boolean
dim sql as string = "select * from [user] where username=" uname
dim cmd as sqlcommand = new sqlcommand(sql,conn)
dim read as sqldatareader = cmd.excutereader
dim result as boolean = read.hasrows
cmd=nothing
return result
end function
新增用户
private sub adduser(byval uname as string,byval password as string)
if checkUser(uname)
messagebox.show("用户已存在")
exit sub
end if
try
dim sql as string = "insert into [user](username,password) values(@uname,@upass)"
dim cmd as sqlcommand = new sqlcommand(sql,conn)
cmd.parameters.add("@uname",sqldbtype.varchar).value=uname
cmd.parameters.add("@upass",sqldbtype.varchar).value=password
cmd.ExecuteNonQuery
cmd=nothing
messagebox.show("用户添加成功!")
catch ex As Exception
messagebox.show("用户添加失败!" + ex.message)
end try
end sub
Q3: vb.net 注册问题
改为:
sql = "insert into 表1 values(用户名='" TextBox1.Text "' ,密码='" TextBox2.Text "')"






