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[英]jQuery code doesn’t work properly after submitting Ajax.BeginForm in asp.net mvc
[英]Why my button code doesn't work after using AJAX in ASP.NET?
我在asp.net中有一個按鈕可以清除文本框,並且按如下方式使用ajax:
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Button ID="Button2" runat="server" Font-Bold="False" Font-Names="Tahoma" Font-Size="16px" ForeColor="DarkRed" Height="40px" OnClick="Button2_Click" Text="Clear Form" Width="165px" />
</ContentTemplate>
</asp:UpdatePanel>
同樣,此按鈕具有以下C#代碼:
protected void Button2_Click(object sender, EventArgs e)
{
txtFirstName.Text = string.Empty;
txtLastName.Text = string.Empty;
txtEmail.Text = string.Empty;
txtSubject.Text = string.Empty;
txtMessage.Text = string.Empty;
}
但是,當我執行該程序時,前面的C#代碼不起作用! 換句話說,單擊按鈕后文本框不會清除! 請告訴我為什么會發生?!
您需要修改updatepanel,請將所有Label和TextBox控件放置在UpdatePanel中的Update Panel和Button Events中,並添加Button ID的Trigger。
AsyncPostBackTrigger或PostBackTrigger
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
// HERE YOUR TEXTBOX AND LABEL CONTROLS
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Button2"
</Triggers>
</asp:UpdatePanel>
<asp:Button ID="Button2" runat="server" Font-Bold="False" Font-Names="Tahoma" Font-Size="16px" ForeColor="DarkRed" Height="40px" OnClick="Button2_Click" Text="Clear Form" Width="165px" />
您應該將“文本框”放置在“更新”面板中為
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:TextBox ID="txtFirstName" runat="server"></asp:TextBox>
<asp:TextBox ID="txtLastName" runat="server"></asp:TextBox>
<asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>
<asp:TextBox ID="txtSubject" runat="server"></asp:TextBox>
<asp:TextBox ID="txtMessage" runat="server"></asp:TextBox>
<asp:Button ID="Button2" runat="server" Font-Bold="False" Font-Names="Tahoma" Font-Size="16px" ForeColor="DarkRed" Height="40px" OnClick="Button2_Click" Text="Clear Form" Width="165px" />
</ContentTemplate>
</asp:UpdatePanel>
我已經嘗試過並且按鈕代碼正在工作.aspx代碼
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:TextBox ID="txtFirstName" runat="server"></asp:TextBox>
<asp:TextBox ID="txtLastName" runat="server"></asp:TextBox>
<asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>
<asp:TextBox ID="txtSubject" runat="server"></asp:TextBox>
<asp:TextBox ID="txtMessage" runat="server"></asp:TextBox>
<asp:Button ID="Button2" runat="server" Font-Bold="False" Font-Names="Tahoma" Font-Size="16px" ForeColor="DarkRed" Height="40px" OnClick="Button2_Click" Text="Clear Form" Width="165px" />
</ContentTemplate>
</asp:UpdatePanel>
</div>
.aspx.cs頁面編碼
protected void Button2_Click(object sender, EventArgs e)
{
txtFirstName.Text = string.Empty;
txtLastName.Text = string.Empty;
txtEmail.Text = string.Empty;
txtSubject.Text = string.Empty;
txtMessage.Text = string.Empty;
}
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