我正在尝试获取一个简单的表单来发布到我的sql数据库,但是当我单击它时什么也没有发生。我已经尝试过runat =“ Server,onclick,onserverclick标记,但是什么也没发生。
我是html表单的新手,所以不知道我是否应该在实际表单之外使用该按钮?任何帮助都将不胜感激
下面是html代码
<div class="register-content" ">
<form method="POST" class="margin-bottom-0">
<label class="control-label">Name <span class="text-danger">*</span></label>
<div class="row row-space-10">
<div class="col-md-6 m-b-15">
<input id="First_Text" type="text" class="form-control" placeholder="First name" required />
</div>
<div class="col-md-6 m-b-15" >
<input id="Last_Text" type="text" class="form-control" placeholder="Last name" required />
</div>
</div>
<label class="control-label">Email <span class="text-danger">*</span></label>
<div class="row m-b-15">
<div class="col-md-12">
<input id="Email_Text" type="text" class="form-control" placeholder="Email address" required />
</div>
</div>
<label class="control-label">Password <span class="text-danger">*</span></label>
<div class="row m-b-15">
<div class="col-md-12">
<input id="Pass_Text" type="password" class="form-control" placeholder="Password" required />
</div>
</div>
<div class="register-buttons">
<button runat="server" onserverclick="ValidateUser" type="button" class="btn btn-primary btn-block btn-lg">Sign Up</button>
</div>
<div class="m-t-20 m-b-40 p-b-40">
Already a registered user? Click <a href="login.aspx">here</a> to login.
</div>
<hr />
<p class="text-center">
© NZAB All Right Reserved 2019
</p>
</form>
</div>
这是背后的代码
Protected Sub ValidateUser(sender As Object, e As EventArgs)
Dim connect As New SqlConnection(ConfigurationManager.ConnectionStrings("NZABFMAD_Users").ToString())
Using coa As New SqlCommand()
With coa
.Connection = connect
.CommandType = CommandType.Text
End With
Try
connect.Open()
Dim insertcmd As String
insertcmd = "INSERT INTO [New_User] (Username,[First name],[Last name],Email,Password) values (@User_Text,@First_Text,@Last_Text,@Email_Text,@Pass_Text)"
coa.CommandText = insertcmd
coa.Parameters.AddWithValue("@User_Text", Request.Form("User_Text"))
coa.Parameters.AddWithValue("@First_Text", Request.Form("First_Text"))
coa.Parameters.AddWithValue("@Last_Text", Request.Form("Last_Text"))
coa.Parameters.AddWithValue("@Email_Text", Request.Form("Email_Text"))
coa.Parameters.AddWithValue("@Pass_Text", Request.Form("Pass_Text"))
coa.ExecuteNonQuery()
connect.Close()
MsgBox("success insert")
Catch ex As Exception
MsgBox("Fail to Save to database")
End Try
End Using
End Sub
允许的话,在sql中存储密码时,我会撒盐/哈希密码,但现在我只希望按钮实际触发该事件!
答案 0 :(得分:0)
首先,您需要给每个输入字段一个name
,因为这是在将它们发布到服务器时对其进行标识的原因。 id
仅用于客户端识别(例如,通过JavaScript)。
<input id="First_Text" name="First_Text" type="text" class="form-control" placeholder="First name" required />
第二,该按钮仅调用服务器上的回调。它实际上并未提交表单,因此在这种情况下,Request.Form
将为空。
对于标准HTML表单,您需要使用<input type="submit"/>
,以便实际上提交表单并将其数据发送到服务器。然后,您可以从Page_Load
处理程序中调用其数据读取。
<div class="register-buttons">
<input type="submit" class="btn btn-primary btn-block btn-lg" value="Sign up"/>
</div>
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
'Check if this is a POST request.
If HttpContext.Current.Request.HttpMethod.Equals("POST", StringComparison.OrdinalIgnoreCase) Then
DoSignUp()
End If
End Sub
Private Sub DoSignUp()
'Put your code from ValidateUser here.
End Sub
尽管您可以like Andrew Morton said in the comments用ASP.NET控件替换表单和输入字段,并通过回发处理。我不确定在这种情况下首选哪种方法,因为我对WebForms的使用还不多。就我个人而言,我会像现在一样使用一种表格。