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  • TextBoxWatermarkExtender应用

    AjaxControlToolkit控件,当然是在Ajax下应用。在aspx页面或母版页中应该要写上:

    <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

    <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager>

    TargetControlID指定要显示信息的控件,WatermarkCssClass指定样式,WatermarkText指定显示的信息。

    <asp:TextBox id="txtProject_Name_C" runat="server" Width="250px" MaxLength="35" CssClass="txt"></asp:TextBox> 
    <cc1:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender1" runat="server" TargetControlID="txtProject_Name_C" WatermarkText="请在此处输入工程名称(支持模糊查询)" WatermarkCssClass="watermarked">
    </cc1:TextBoxWatermarkExtender>

    Css如下:

    .watermarked
    {
        color:Gray;
        font-size:small;   
        }    

    效果图:

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  • 原文地址:https://www.cnblogs.com/52net/p/2843027.html
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