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📜  ASP.Net Web窗体RangeValidator

📅  最后修改于: 2020-12-28 00:38:16             🧑  作者: Mango

ASP.NET RangeValidator控件

该验证器评估输入控件的值以检查该值是否位于指定范围之间。

它使我们可以检查用户输入是否在指定的上下边界之间。此范围可以是数字，字母字符和日期。

注意：如果输入控件为空，则不会执行任何验证。

ControlToValidate属性用于指定要验证的控件。的MinimumValue和MaximumValue属性用于对控制集合的最小和最大边界。

RangeValidator属性

Property Description
AccessKey It is used to set keyboard shortcut for the control.
TabIndex The tab order of the control.
BackColor It is used to set background color of the control.
BorderColor It is used to set border color of the control.
BorderWidth It is used to set width of border of the control.
Font It is used to set font for the control text.
ForeColor It is used to set color of the control text.
Text It is used to set text to be shown for the control.
ToolTip It displays the text when mouse is over the control.
Visible To set visibility of control on the form.
Height It is used to set height of the control.
Width It is used to set width of the control.
ControlToValidate It takes ID of control to validate.
ErrorMessage It is used to display error message when validation failed.
Type It is used to set datatype of the control value.
MaximumValue It is used to set upper boundary of the range.
MinimumValue It is used to set lower boundary of the range.

例

在以下示例中，我们使用RangeValidator验证指定范围内的用户输入。

// RangeValidator.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="RangeValidator.aspx.cs" 
Inherits="asp.netexample.RangeValidator" %>













            Enter value between 100 and 200


















 

输出：

当输入不在范围内时，它将引发错误消息。