Here is the code for a webcontrol, quite simple:
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<%@ Control Language="c#" AutoEventWireup ="false"
Codebehind="Web UserControl1.as cx.cs"
Inherits="WebAp plication23.Web UserControl1"
TargetSchema="h ttp://schemas.microso ft.com/intellisense/ie5"%>
<STYLE>
..ModuleContent P { FONT-SIZE: x-small; FONT-FAMILY: Arial, Verdana,
Helvetica }
LI { FONT-SIZE: x-small; FONT-FAMILY: Arial, Verdana, Helvetica }
A { FONT-SIZE: x-small; FONT-FAMILY: Arial, Verdana, Helvetica }
TD { FONT-SIZE: x-small; FONT-FAMILY: Arial, Verdana, Helvetica }
TH { FONT-SIZE: x-small; FONT-FAMILY: Arial, Verdana, Helvetica }
DIV { FONT-SIZE: x-small; FONT-FAMILY: Arial, Verdana, Helvetica }
</STYLE>
<table cellSpacing="0" cellPadding="0" width="490" border="0">
<tr>
<td width="5%"></td>
<td width="95%"><as p:label id="lblMessage " runat="server"
EnableViewState ="False" ForeColor="Red"
Font-Bold="True"></asp:label><asp: validationsumma ry id="ValSummary "
runat="server" Font-Bold="True"
DisplayMode="Si ngleParagraph"> </asp:validations ummary><br>
<table cellSpacing="0" cellPadding="5" border="0" width="100%">
<tr bgColor="#ebebe b">
<td colSpan="2"></td>
</tr>
<tr bgColor="#ebebe b">
<td style="WIDTH: 105px" width="105">&nb sp;ID (min 4 char):</td>
<td width="78%">&nb sp;
<asp:textbox id="txtID" runat="server" Width="250px"></asp:textbox>
<asp:label id="lblID" runat="server"> (ex.A5570A)</asp:label>  ;
<asp:regularexp ressionvalidato r id="RegExpValId " runat="server"
Font-Bold="True" ValidationExpre ssion=".{4,}" ControlToValida te="txtID"
Display="Dynami c" Font-Size="Medium" ErrorMessage="T his is the error
message!">*</asp:regularexpr essionvalidator ></td>
</tr>
<tr bgColor="#ebebe b">
<td colSpan="2"><as p:button id="btnSearch" runat="server"
Text="Search"></asp:button>&nbs p;</td>
</tr>
</table>
</td>
</tr>
</table>
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A rather simple form, The webcontrol contains a textbox and a validation
control.
the button needs to click twice to show the summary error message!
The question can be resolved by one of the following operations:
1,change the textbox's width or remove the css
2,I remove the left side table cell
3,change the label lblID's text to either "(ex.A5570A A)" or "(ex.A5570) ".
But I want to know why?
