★JS's Calling Tricks ★

★★★★★★★★★★★★★★★js's Calling technique ★★★★★★★★★★★★★★★★★★★
How to add JS to a text box
French one: in the HTML view to find the relevant elements, directly embedded related events and JS code.
For example:
Design time:
User name: <asp:textbox id= "TextBox1" onfocus= "Dofocus (This)" runat= "Server" forecolor= "#999999" > (required) </ Asp:textbox>

—————— here onfocus no hint, you can write directly!!!!
Run up:
User name: <input name= "TextBox1" type= "text" value= "(required)" id= "TextBox1" onfocus= "Dofocus (This)" style= "color:# 999999; "/>

method Two : in the Page_Load method of the Aspx.cs file, use the attributes attribute to add JS
For example:
C # code:
protected void Page_Load (object sender, EventArgs e)
{
TEXTBOX2.ATTRIBUTES.ADD ("onfocus", "Dofocus (This)"); ———— property Names and property values
}
Run up:
Password: <input name= "TextBox2" type= "text" value= "(required)" id= "TextBox2" onfocus= "Dofocus (This)" style= "color: #999999;"/ >

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★JS's Calling Tricks ★