验证控件的使用三（CompareFieldValidator）

  

    1 
   <%
   @ Page Language
   =
   "
   C#
   "
    
   %>
   

    2 
   

    3 
    
   <
   script runat
   =
   "
   server
   "
   >
   

    4 
   

    5 
    
   protected
    
   void
    Button1_Click(Object sender, EventArgs e) {

    6 
    
   if
    (Page.IsValid)

    7 
    Label1.Text 
   =
    
   "
   Passwords match
   "
   ;

    8 
    }

    9 
   

   10 
   
   </
   script
   >
   

   11 
   

   12 
   
   <
   html xmlns
   =
   "
   http://www.w3.org/1999/xhtml
   "
    
   >
   

   13 
   
   <
   head id
   =
   "
   Head1
   "
    runat
   =
   "
   server
   "
   >
   

   14 
    
   <
   title
   >
   CompareFieldValidator
   </
   title
   >
   

   15 
   
   </
   head
   >
   

   16 
   
   <
   body
   >
   

   17 
    
   <
   form id
   =
   "
   Form1
   "
    runat
   =
   "
   server
   "
   >
   

   18 
    
   <
   p
   >
   

   19 
    Password
   <
   br
   >
   

   20 
    
   <
   asp:TextBox ID
   =
   "
   TextBox1
   "
    Runat
   =
   "
   server
   "
    TextMode
   =
   "
   Password
   "
   ></
   asp:TextBox
   >
   

   21 
    
   &
   nbsp;

   22 
    
   <
   asp:CompareValidator ID
   =
   "
   CompareValidator1
   "
    Runat
   =
   "
   server
   "
    ErrorMessage
   =
   "
   Passwords do not match!
   "
    

   23 
    ControlToValidate
   =
   "
   TextBox2
   "
    

   24 
    ControlToCompare
   =
   "
   TextBox1
   "
   ></
   asp:CompareValidator
   >
   

   25 
    
   </
   p
   >
   

   26 
    
   <
   p
   >
   

   27 
    Confirm Password
   <
   br
   >
   

   28 
    
   <
   asp:TextBox ID
   =
   "
   TextBox2
   "
    Runat
   =
   "
   server
   "
    TextMode
   =
   "
   Password
   "
   ></
   asp:TextBox
   >
   

   29 
    
   </
   p
   >
   

   30 
    
   <
   p
   >
   

   31 
    
   <
   asp:Button ID
   =
   "
   Button1
   "
    OnClick
   =
   "
   Button1_Click
   "
    Runat
   =
   "
   server
   "
    Text
   =
   "
   Login
   "
   ></
   asp:Button
   >
   

   32 
    
   </
   p
   >
   

   33 
    
   <
   p
   >
   

   34 
    
   <
   asp:Label ID
   =
   "
   Label1
   "
    Runat
   =
   "
   server
   "
   ></
   asp:Label
   >
   

   35 
    
   </
   p
   >
   

   36 
    
   </
   form
   >
   

   37 
   
   </
   body
   >
   

   38 
   
   </
   html
   >
  

 类型的判断： 

  

   1 
   Age: 

   2 
   
   <
   asp:TextBox ID
   =
   "
   TextBox1
   "
    Runat
   =
   "
   server
   "
    MaxLength
   =
   "
   3
   "
   ></
   asp:TextBox
   >
   

   3 
   
   &
   nbsp;

   4 
   
   <
   asp:CompareValidator ID
   =
   "
   CompareValidator1
   "
    Runat
   =
   "
   server
   "
    Text
   =
   "
   You must enter a number
   "
    ControlToValidate
   =
   "
   TextBox1
   "
    Type
   =
   "
   Integer
   "
    

   5 
    Operator
   =
   "
   DataTypeCheck
   "
   ></
   asp:CompareValidator
   >
  

  

   1 
   Age: 

   2 
   
   <
   asp:TextBox ID
   =
   "
   TextBox1
   "
    Runat
   =
   "
   server
   "
   ></
   asp:TextBox
   >
   

   3 
    
   &
   nbsp;

   4 
   
   <
   asp:CompareValidator ID
   =
   "
   CompareValidator1
   "
    Runat
   =
   "
   server
   "
    Operator
   =
   "
   GreaterThan
   "
    ValueToCompare
   =
   "
   18
   "
    ControlToValidate
   =
   "
   TextBox1
   "
    

   5 
    Text
   =
   "
   You must be older than 18 to join
   "
    Type
   =
   "
   Integer
   "
   >
   

   6 
   
   </
   asp:CompareValidator
   >
  

  

   1 
   Age: 

   2 
   
   <
   asp:TextBox ID
   =
   "
   TextBox1
   "
    Runat
   =
   "
   server
   "
   ></
   asp:TextBox
   >
   

   3 
    
   &
   nbsp;

   4 
   
   <
   asp:RangeValidator ID
   =
   "
   RangeValidator1
   "
    Runat
   =
   "
   server
   "
    ControlToValidate
   =
   "
   TextBox1
   "
    Type
   =
   "
   Integer
   "
   

   5 
    Text
   =
   "
   You must be between 30 and 40
   "
    MaximumValue
   =
   "
   40
   "
    MinimumValue
   =
   "
   30
   "
   ></
   asp:RangeValidator
   >