RequiredField Validator
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The RequiredFieldValidator control is used to make an input control a required field.With this control, the validation fails if the input value does not change from its initial value. By default, the initial value is an empty string (""). Properties: 1.BackColor ::The background color of the RequiredFieldValidator control. 2.ControlToValidate ::The id of the control to validate. 3.Display ::The display behavior for the validation contrl. Legal values are: None (the control is not displayed. Used to show the error message only in the ValidationSummary control) Static (the control displays an error message if validation fails. Space is reserved on the page for the message even if the input passes validation. Dynamic (the control displays an error message if validation fails. Space is not reserved on the page for the message if the input passes validation 4.EnableClientScript ::A Boolean value that specifies whether client-side validation is enabled or not. 5.Enabled ::A Boolean value that specifies whether the validation control is enabled or not. 6.ErrorMessage ::The text to display in the ValidationSummary control when validation fails. Note: This text will also be displayed in the validation control if the Text property is not set 7.ForeColor ::The foreground color of the control. 8.id ::A unique id for the control. 9.InitialValue ::Specifies the starting value of the input control. Default value is "". 10.IsValid ::A Boolean value that indicates whether the control specified by ControlToValidate is determined to be valid. 11.Text ::The message to display when validation fails.
RequieredFieldValidator *********************************************************************** ************************************************************************ <%@ Page Language="C#" AutoEventWireup="true" CodeFile="RequiredField.aspx.cs" Inherits="_Default" %>Untitled Page
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