Error in creating water marking in Ajax

Posted by Seger under ASP.NET on 7/20/2010 | Views : 2995 | Status : [Member] | Replies : 2

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Error Creating Control - TextBoxWatermarkExtender1This control cannot be displayed because its TagPrefix is not registered in this Web Form.

coding:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server" />
Name:

<asp:TextBox ID="TextBox1" runat="server" CssClass="nonwatermarked" />

<ajax:TextBoxWatermarkExtender
ID="TextBoxWatermarkExtender1"
runat="server"
Enabled="True"
TargetControlID="TextBox1"
WatermarkCssClass="watermarked"
WatermarkText="Enter Name Here">
</ajax:TextBoxWatermarkExtender>

<br />

Phone:

<asp:TextBox ID="TextBox2" runat="server" CssClass="nonwatermarked" />

<ajax:TextBoxWatermarkExtender
ID="TextBoxWatermarkExtender2"
runat="server"
Enabled="True"
TargetControlID="TextBox2"
WatermarkCssClass="watermarked"
WatermarkText="Enter Phone Here">
</ajax:TextBoxWatermarkExtender>

<br /> <br />

<asp:Button ID="Button1" runat="server" Text="Submit " />
</div>
</form>
</body>
</html>

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Posted by: Vuyiswamb on: 7/20/2010 [Member] [MVP] [Administrator] NotApplicable

0	Change your markup to this <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajaxToolkit" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <asp:ScriptManager ID="ScriptManager1" runat="server" /> Name: <asp:TextBox ID="TextBox1" runat="server" CssClass="nonwatermarked" /> <ajax:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender1" runat="server" Enabled="True" TargetControlID="TextBox1" WatermarkCssClass="watermarked" WatermarkText="Enter Name Here"> </ajax:TextBoxWatermarkExtender> <br /> Phone: <asp:TextBox ID="TextBox2" runat="server" CssClass="nonwatermarked" /> <ajax:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender2" runat="server" Enabled="True" TargetControlID="TextBox2" WatermarkCssClass="watermarked" WatermarkText="Enter Phone Here"> </ajax:TextBoxWatermarkExtender> <br /> <br /> <asp:Button ID="Button1" runat="server" Text="Submit " /> </div> </form> </body> </html> Thank you for posting at Dotnetfunda [Administrator] Seger, if this helps please login to Mark As Answer. \| Alert Moderator

Change your markup to this


<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">



<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<title>Untitled Page</title>

</head>

<body>

<form id="form1" runat="server">

<div>

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

Name:



<asp:TextBox ID="TextBox1" runat="server" CssClass="nonwatermarked" />



<ajax:TextBoxWatermarkExtender

ID="TextBoxWatermarkExtender1"

runat="server"

Enabled="True"

TargetControlID="TextBox1"

WatermarkCssClass="watermarked"

WatermarkText="Enter Name Here">

</ajax:TextBoxWatermarkExtender>



<br />



Phone:



<asp:TextBox ID="TextBox2" runat="server" CssClass="nonwatermarked" />



<ajax:TextBoxWatermarkExtender

ID="TextBoxWatermarkExtender2"

runat="server"

Enabled="True"

TargetControlID="TextBox2"

WatermarkCssClass="watermarked"

WatermarkText="Enter Phone Here">

</ajax:TextBoxWatermarkExtender>



<br /> <br />



<asp:Button ID="Button1" runat="server" Text="Submit " />

</div>

</form>

</body>

</html>

Thank you for posting at Dotnetfunda
[Administrator]

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Posted by: Seger on: 7/20/2010 [Member] Starter

0	Server Error in '/WebSite6' Application. -------------------------------------------------------------------------------- Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Could not load file or assembly 'AjaxToolkit' or one of its dependencies. The system cannot find the file specified. Source Error: Line 1: <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> Line 2: <%@ Register Assembly="AjaxToolkit" Namespace="AjaxToolkit" TagPrefix="AjaxToolkit" %> Line 3: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> Line 4: Seger, if this helps please login to Mark As Answer. \| Alert Moderator

Server Error in '/WebSite6' Application.
--------------------------------------------------------------------------------

Parser Error
Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Could not load file or assembly 'AjaxToolkit' or one of its dependencies. The system cannot find the file specified.

Source Error:

Line 1: <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
Line 2: <%@ Register Assembly="AjaxToolkit" Namespace="AjaxToolkit" TagPrefix="AjaxToolkit" %>
Line 3: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
Line 4:

Seger, if this helps please login to Mark As Answer. | Alert Moderator

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