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In this video we will discuss how to create a watermark in ASP.NET TextBox using JavaScript.
Here is the HTML and JavaScript used in the video.
Search :
[asp:TextBox ID=”TextBox1″ ForeColor=”Gray” runat=”server” Width=”250px”
Text=”Enter your serach term here”
onfocus=”ClearWaterMark(‘Enter your serach term here’, this);”
onblur=”CreateWaterMark(‘Enter your serach term here’, this);” ]
[/asp:TextBox]
[asp:Button ID=”Button1″ runat=”server” Text=”Search” /]
[script type=”text/javascript”]
function CreateWaterMark(defaultText, textBoxControl)
{
if (textBoxControl.value.length == 0)
{
textBoxControl.style.color = “gray”;
textBoxControl.value = defaultText;
}
}
function ClearWaterMark(defaultText, textBoxControl)
{
if (textBoxControl.value == defaultText)
{
textBoxControl.style.color = “black”;
textBoxControl.value = “”;
}
}
[/script]
