我有一个带有文本框和 requiredfieldvalidator 以及几个按钮的更新面板。
在页面加载时,您会看到一个标签和一个按钮。按下按钮时,文本框和验证器会显示(与另一个按钮一起)。
显示的基本变化工作正常。但是,即使填充了文本框,我的验证器(设置为动态)也会显示其错误消息。如果填充了文本框,按下提交按钮确实有效,但我的代码显然有些地方不太对劲。
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<%
If DoNameUpdate = "" then
%>
<div class="formrow">
<div class="standardlabel">Name: </div>
<div class="fakeformfield"><%=TheName%></div>
<div class="buttonclass"><asp:ImageButton ID="ImageButton1" ImageUrl="/images/changebutton.gif" alt="Change" CssClass="formsub" runat="server" /></div>
</div>
<%
Else
%>
<div class="formrow">
<asp:Label AssociatedControlID="client_name" CssClass="standardlabel" runat="server" Text="Name "></asp:Label><span class="mandatory">*</span>
<asp:TextBox ID="client_name" runat="server" MaxLength="255" CssClass="textboxborder"></asp:TextBox><BR>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="client_name" Display="Dynamic" CssClass="error" ErrorMessage="Required" InitialValue=""></asp:RequiredFieldValidator>
<div class="buttonclass"><asp:ImageButton ID="ImageButton2" ImageUrl="/images/savebutton.gif" alt="Save Changes" CssClass="formsub" runat="server" /></div>
</div>
<%
End if
%>
</ContentTemplate>
</asp:UpdatePanel>
和代码隐藏...
Protected Sub ImageButton1_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles ImageButton1.Click
Dim myReader As IDataReader = CType(SqlDataSource1.Select(DataSourceSelectArguments.Empty), IDataReader)
If myReader.read then
client_name.text = myReader("ClientName")
End if
myReader.close
DoNameUpdate = "val"
End Sub
Protected Sub ImageButton2_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles ImageButton2.Click
SqlDataSource2a.update()
Dim myReader As IDataReader = CType(SqlDataSource1.Select(DataSourceSelectArguments.Empty), IDataReader)
If myReader.read then
TheName = myReader("ClientName")
End if
myReader.close
DoNameUpdate = ""
End Sub
有什么建议么?