验证控件.txt

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验证控件-----------------
公共属性
ControlToValidate:指定需要验证的控件
Disaplay:消息如何显示
ErrorMessage:错误提示
-------------------------
RequiredFieldValidator
多个控件一块验证是:Display=Dynamic,让错误信息显示在相同的地方。
1.检查相应不能为空
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RangeValidator
MinimuValue,最小值
MaximuValue,最大值
type,类型
1.拒绝这个范围之外的数字
<asp:TextBox id="Percent" style="Z-INDEX: 101; LEFT: 48px; POSITION: absolute; TOP: 80px" runat="server"></asp:TextBox>
<asp:RangeValidator id="RangeValidator1" style="Z-INDEX: 102; LEFT: 264px; POSITION: absolute; TOP: 80px"
	runat="server" ErrorMessage="Value out of range" ControlToValidate="Percent" MinimumValue="2003-10-01"
	MaximumValue="2003-12-31" Type="Date"></asp:RangeValidator>
-------------------------
CompareValidator
关键属性:
ControlToValidte:验证的控件
Controlcompare:目标控件
Type:类型
Operator:操作符
1.最大值不能小于最小值
<asp:TextBox id="Minimum" style="Z-INDEX: 103; LEFT: 48px; POSITION: absolute; TOP: 136px" runat="server"></asp:TextBox>
<asp:TextBox id="Maximum" style="Z-INDEX: 104; LEFT: 48px; POSITION: absolute; TOP: 192px" runat="server"></asp:TextBox>
<asp:CompareValidator id="CompareValidator1" style="Z-INDEX: 105; LEFT: 264px; POSITION: absolute; TOP: 144px"
	runat="server" ErrorMessage="Invalid maximum" ControlToValidate="Maximum" Type="Integer" ControlToCompare="Minimum"
	Operator="DataTypeCheck"></asp:CompareValidator>

2.前后两次密码必须相同
<asp:TextBox id="Password1" style="Z-INDEX: 106; LEFT: 48px; POSITION: absolute; TOP: 248px"
	runat="server"></asp:TextBox>
<asp:TextBox id="Password2" style="Z-INDEX: 107; LEFT: 48px; POSITION: absolute; TOP: 288px"
	runat="server"></asp:TextBox>
<asp:CompareValidator id="CompareValidator2" style="Z-INDEX: 108; LEFT: 272px; POSITION: absolute; TOP: 256px"
	runat="server" ErrorMessage="Mismatch" ControlToValidate="Password2" ControlToCompare="Password1"></asp:CompareValidator>

-------------------------
RegularExpressionValidator(正则表达工验证器)
关键属性:
ValidationExpression:验证表达式
1.只允许数字输入
<asp:TextBox id="Quantity" style="Z-INDEX: 109; LEFT: 48px; POSITION: absolute; TOP: 344px" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator id="RegularExpressionValidator1" style="Z-INDEX: 110; LEFT: 272px; POSITION: absolute; TOP: 344px"
	runat="server" ErrorMessage="Digits only" ControlToValidate="Quantity" ValidationExpression="^\d+$"></asp:RegularExpressionValidator>
2.电子邮件
<asp:TextBox id="Quantity" style="Z-INDEX: 109; LEFT: 48px; POSITION: absolute; TOP: 344px" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator id="RegularExpressionValidator1" style="Z-INDEX: 110; LEFT: 272px; POSITION: absolute; TOP: 344px"
	runat="server" ErrorMessage="Digits only" ControlToValidate="Quantity" ValidationExpression="\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
--------------------------
CustomValidator(定制验证器)
属性:
ClientValidationFunction:客户端验函数
事件:
ServerValidate:服务器验证事件
1.验证用户输入为10的倍数
a.控件
<asp:CustomValidator id="CustomValidator1" style="Z-INDEX: 112; LEFT: 272px; POSITION: absolute; TOP: 408px"
	runat="server" ErrorMessage="CustomValidator" ControlToValidate="Amount" ClientValidationFunction="__ValidateAmount"></asp:CustomValidator>
b.客户端代码
<script language=javascript>
<!--
function __ValidateAmount(source,args)
{
	args.IsValid=(args.Value%10==0);
}
//-->
</script>
c.服务器端
private void CustomValidator1_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
{
	try
	{
		args.IsValid=(Convert.ToInt32(args.Value)%10==0);
	}
	catch(FormatException)
	{
		args.IsValid=false;
	}

}
---------------------------
ValidationSummary(验证摘要)
DisplayMode:显示方式
ShowSummary：显示示摘要
ShowMessageBox:显示对话框
其它控件的Display=None
验证发生中提交前，所有必须有一个激发提交的控件
1.
<form id="Form1" method="post" runat="server">
	<asp:TextBox id="UserName" style="Z-INDEX: 101; LEFT: 40px; POSITION: absolute; TOP: 64px" runat="server"></asp:TextBox>
	<asp:TextBox id="Password" style="Z-INDEX: 102; LEFT: 40px; POSITION: absolute; TOP: 112px" runat="server"
		TextMode="Password" Width="200px"></asp:TextBox>
	<asp:RequiredFieldValidator id="RequiredFieldValidator1" style="Z-INDEX: 103; LEFT: 256px; POSITION: absolute; TOP: 72px"
		runat="server" ErrorMessage="The user name can't be blank." ControlToValidate="UserName" Display="None"></asp:RequiredFieldValidator>
	<asp:RequiredFieldValidator id="RequiredFieldValidator2" style="Z-INDEX: 104; LEFT: 256px; POSITION: absolute; TOP: 120px"
		runat="server" ErrorMessage="The password can't be blank" ControlToValidate="Password" Display="None"></asp:RequiredFieldValidator>
	<asp:RegularExpressionValidator id="RegularExpressionValidator1" style="Z-INDEX: 105; LEFT: 264px; POSITION: absolute; TOP: 120px"
		runat="server" ErrorMessage="RegularExpressionValidator" ControlToValidate="Password" Display="None" ValidationExpression=".{8,}"></asp:RegularExpressionValidator>
	<asp:ValidationSummary id="ValidationSummary1" style="Z-INDEX: 106; LEFT: 40px; POSITION: absolute; TOP: 208px"
		runat="server" HeaderText="This page containts the following errors:" DisplayMode="List"></asp:ValidationSummary>
	<asp:Button id="Button1" style="Z-INDEX: 107; LEFT: 272px; POSITION: absolute; TOP: 168px" runat="server"
		Text="Button"></asp:Button>
</form>