Chương 4: Điều khiển HTML và điều khiển kiểm tra hợp lệ pdf
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<%@ Page Language="C#" AutoEventWireup="True" %>
<html>
<script runat="server">
void BtnUpload_Click(Object sender, EventArgs e)
{ // Display information about posted file
FileName.InnerHtml = MyFile.PostedFile.FileName;
MyContentType.InnerHtml =
MyFile.PostedFile.ContentType;
ContentLength.InnerHtml =
MyFile.PostedFile.ContentLength.ToString();
FileDetails.Visible = true;
// Save uploaded file to server
MyFile.PostedFile.SaveAs("c:\\Inetpub\\uploadfile.do
c");
}
</script>
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<body>
<form action="Ch4Ex1.aspx" method="post"
enctype="multipart/form-data"
runat="server"><h1>Upload File on the server</h1>
Select File : <input id="MyFile" type="file"
runat="server"><br><br>
<input type=submit value="Upload File"
OnServerclick="BtnUpload_Click"
runat="server">
<br><br><br>
<div id="FileDetails" Visible=false runat="server">
FileName: <span id="FileName" runat="server"/>
<br>
ContentType: <span id="MyContentType" runat="server"/><br>
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ContentLength: <span
id="ContentLength" runat="server"/>bytes
<br>
</div>
</form>
</body>
</html>
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<html>
<form runat="server">
<center><b>User Details Page</b>
</center>
<br>
Name :    
<asp:textbox id="txtName" runat=server />
<asp:requiredfieldvalidator
controltovalidate="txtName" display="static"
errormessage="Name has to be entered!" runat=server/>
<br><br>
<center><asp:button id= btnSubmit text="submit"
runat=server /> </center>
</form>
</html>
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<html>
<form runat="server">
<center><b>User Details Page</b>
</center>
<br>
Name :    
<asp:textbox id="txtName" runat=server />
<asp:requiredfieldvalidator id="reqvaln"
controltovalidate="txtName" errormessage="Name has to be
entered" display="dynamic" runat=server/>
<br>
Age :      
<asp:textbox id="txtAge" runat=server />
<asp:requiredfieldvalidator id="reqvala"
controltovalidate="txtAge" errormessage="Age has to be
entered" display="dynamic" runat=server/>
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<asp:comparevalidator controltovalidate="txtAge"
display="dynamic" errormessage="Age cannot be greater than
58"
valuetocompare=58 type="Integer" operator="LessThanEqual"
runat=server>
</asp:comparevalidator>
<br><br>
<center><asp:button id=btnSubmit text="submit"
runat=server/>
</center>
</form>
</html>
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<html>
<form runat="server">
<center><b>User Details Page</b>
</center>
<br>
Name :
<asp:textbox id="txtName" runat=server />
<asp:requiredfieldvalidator id="reqvaln"
controltovalidate="txtName" errormessage="Name has to be
entered" display="dynamic" runat=server/>
<br>
Age :
<asp:textbox id="txtAge" runat=server />
<asp:requiredfieldvalidator id="reqvala"
controltovalidate="txtAge" errormessage="Age has to be
entered" display="dynamic" runat=server/>
/!#%/"#$%&2
/!#%/"#$%&2
<asp:comparevalidator controltovalidate="txtAge"
display="dynamic" errormessage="Age cannot be greater than
58" valuetocompare=58 type="Integer" operator="LessThanEqual"
runat=server/>
<br>
Date of Birth :
<asp:textbox id="txtDob" runat=server />
<br>
Date of Joining :
<asp:textbox id="txtDoj" runat=server />
<asp:comparevalidator controltovalidate="txtDoj"
display="dynamic" errormessage="Date of Birth cannot be
greater than or equal to Date of Joining"
Controltocompare="txtDob" type="Date" operator="GreaterThan"
runat=server/>
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<br>
<br>
<center><asp:button id=btnSubmit text="submit"
runat=server /></center>
</form>
</html>
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<asp:rangevalidator controltovalidate="txtAge"
type="Integer" minimumvalue="18" maximumvalue="58"
errormessage="Your age must be in the range of 18-58 yrs"
display="dynamic" runat="server" >
</asp:rangevalidator>
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<asp:textbox id="txtEmailid" runat=server/>
<asp:regularexpressionvalidator
controltovalidate="txtEmailid" display="static"
validationexpression="^[\w-]+@[\w-]+\.(com|net|org|
edu)$" runat=server>
E-mail Id is not in the correct format
</asp:RegularExpressionValidator>
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<asp:customvalidator runat="server"
controltovalidate="txtGrade"
clientvalidationfunction="clientval"
onservervalidate="serverval" display="static">
Wrong value
</asp:customvalidator>
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<asp:validationsummary id="ValSum" headertext="The errors
found are: " displaymode="singleparagraph" runat="server"/>
