Asp.net Compare Validator control

Compare Validator control is used for two values. The value to compare may be either the value of any other control or the specified constant can be compared to the predefined data types, which can be compared to string, integer etc.

Following are main properties of the validation control.

ControlToCompare	Gets or sets the ID of the control whose value will be compared with the currently entered value.
Operator	DataTypeCheck/Equal/GreaterThan/GreaterThanEqual/LessThan/LessThanEqual/NotEqual. Used to specify the comparison operation to peform. In case of DataTypeCheck, ControlToCompare properties are ingnored.
Display	Dynamic/Static. Used to indicate how the area of error message will be allocated. Dynamic: Error message area will only be allocated when error will be displayed. Static: Error messagea area will be allocated in either case.
Enabled	true/false. Gets or sets whether to enable the validation control or not.
ErrorMessage	Gets or sets the text of the error message that will be displayed when validation fails (This is displayed when ValidationSummary validatoin control is used.).
Text	Gets or sets the description of the error message text.
ValidationGroup	Gets or sets the validation group it belongs to. This is used to group a set of controls.
SetFocusOnError	true/false. Used to move focus on to the control that fails the validation.

Example - 

<asp:Label ID="lbl" AssociatedControlID="TextBox1" runat="Server" Text="Write into TextBox"></asp:Label>
    <asp:TextBox ID="TextBox1" runat="Server"></asp:TextBox>
    <asp:TextBox ID="TextBox2" runat="Server"></asp:TextBox>
    <asp:RequiredFieldValidator ID="req1" runat="Server" ControlToValidate="TextBox1" ErrorMessage="1st TextBox is Mandatory field" Text="<br>Please write something in 1st  Box."></asp:RequiredFieldValidator>
    <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="Server" ControlToValidate="TextBox2" ErrorMessage="2nd TextBox is Mandatory field" Text="<br>Please write something in 2nd Box."></asp:RequiredFieldValidator>
    <asp:CompareValidator ID="CompareValidator1" runat="Server" ControlToValidate="TextBox2" ControlToCompare="TextBox1" Operator="Equal" Type="string" Text="Both textbox value should be same." ErrorMessage="Both textbox values are not equal." Display="Dynamic"></asp:CompareValidator>
   
    <asp:Button ID="btnSubmit" runat="Server" OnClick="WriteTextBoxValue" Text="Submit" />               
    <asp:ValidationSummary ID="ValidationSummary" runat="Server" ShowMessageBox="true" />

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