功能：
用来提示用户输入密码的情况,用户在密码框中输入密码时,在文本框的后面会有一个提示,显示密码的强度,这种提示有两种方式:文本和进度条。
属性：
|
属性 |
描述 |
|
TargetControlID |
要检测密码的TextBox控件ID |
|
DisplayPosition |
提示的信息的位置，如： DisplayPosition="RightSide|LeftSide|BelowLeft" |
|
StrengthIndicatorType |
强度信息提示方式，有文本和进度条 StrengthIndicatorType="Text|BarIndicator" |
|
PreferredPasswordLength |
密码的长度 |
|
PrefixText |
用文本方式时开头的文字 PrefixText="Strength:" |
|
TextCssClass |
用文本方时文字的CSS样式 |
|
MinimumNumericCharacters |
密码中最少要包含的数字数量 |
|
MinimumSymbolCharacters |
密码中最好要包含的符号数量（*，#） |
|
RequiresUpperAndLowerCaseCharacters |
是否需要区分大小写 |
|
TextStrengthDescriptions |
文本方式时的文字提示信息 TextStrengthDescriptions="Very Poor;Weak;Average;Strong;Excellent" |
|
BarIndicatorCssClass |
进度条的CSS样式 |
|
BarBorderCssClass |
进度条边框的CSS样式 |
|
HelpStatusLabelID |
帮助提示信息的Lable控件ID |
代码实例：
<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title>PasswordStrength 控件</title> <link href="StyleSheet.css" rel="stylesheet" type="text/css" /></head><body> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server" /> <div> <br /> Text Indicators<br /> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <br /> <asp:Label ID="Label1" runat="server" Width="153px"></asp:Label><br /> <br /> Status Bar Indicators<br /> <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br /> <asp:Label ID="Label2" runat="server" Width="154px"></asp:Label><br /> <br /> Help Indicators<br /> <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox><br /> <asp:Label ID="Label3" runat="server" Width="154px"></asp:Label><br /> <br /> <br /> <ajaxToolkit:PasswordStrength ID="PasswordStrength1" runat="server" TargetControlID="TextBox1" DisplayPosition="RightSide" StrengthIndicatorType="Text" PreferredPasswordLength="10" PrefixText="Strength:" TextStrengthDescriptions="Very Poor;Weak;Average;Strong;Excellent" MinimumNumericCharacters="0" MinimumSymbolCharacters="0" HelpStatusLabelID="Label1" TextCssClass="TextIndicator_TextBox1" RequiresUpperAndLowerCaseCharacters="false"> </ajaxToolkit:PasswordStrength> <ajaxToolkit:PasswordStrength ID="PasswordStrength2" runat="server" TargetControlID="TextBox2" DisplayPosition="RightSide" StrengthIndicatorType="BarIndicator" BarIndicatorCssClass="BarIndicator_TextBox2" BarBorderCssClass="BarBorder_TextBox2" PreferredPasswordLength="10" PrefixText="Strength:" TextStrengthDescriptions="Very Poor;Weak;Average;Strong;Excellent" MinimumNumericCharacters="1" MinimumSymbolCharacters="1" HelpStatusLabelID="Label2" RequiresUpperAndLowerCaseCharacters="true"> </ajaxToolkit:PasswordStrength> <ajaxToolkit:PasswordStrength ID="PasswordStrength3" runat="server" TargetControlID="TextBox3" TextCssClass="TextIndicator_TextBox3" DisplayPosition="RightSide" StrengthIndicatorType="Text" PreferredPasswordLength="20" PrefixText="Meets Polixy : " MinimumNumericCharacters="2" MinimumSymbolCharacters="2" HelpStatusLabelID="Label3" HelpHandleCssClass="TextIndicator_TextBox3_Handle" HelpHandlePosition="BelowRight" TextStrengthDescriptions="Not at all; Very Low Compliance; Low Compliance; Average Compliance; Good Compliance; High Compliance; Yes" RequiresUpperAndLowerCaseCharacters="true" > </ajaxToolkit:PasswordStrength> </div> </form> </body></html>运行结果：
