TextBox Control

Definition and Usage

The TextBox control is used to create a single-line input box on a mobile device.

The text can be specified by the text attribute or as the content of the TextBox element. If the text is specified in both ways, the inner text takes precedence. However, if the text is programmatically set, the inner text is replaced with this text.

Properties

Property	Value	Description
Alignment	left center right	Optional. How to align the textbox
BackColor	rgb(x,x,x) #xxxxxx colorname	Optional. A background color for the textbox
ForeColor	rgb(x,x,x) #xxxxxx colorname	Optional. A foreground color for the textbox
Font-Bold	false true	Optional. Specifies whether or not the text in the textbox should be bold
Font-Italic	false true	Optional. Specifies whether or not the text in the textbox should be italic
Font-Name	fontname	Optional. Specifies the font name of the text in the textbox
Font-Size	normal small large	Optional. Specifies the font size of the text in the textbox
id	unique_name	Optional. A unique id for the control
MaxLength	number_of_char	Optional. The maximum number of characters allowed in the textbox
Numeric	true false	Optional. Specifies whether or not the value of the textbox should be numeric
OnTextChanged	function_name	Optional. The name of the function to be executed when the text is changed
Password	true false	Optional. Specifies whether or not the textbox should be treated as a password field
runat	"server"	Required. Specifies that the control is a server control
Size	size_of_textbox	Optional. The size of the textbox (in characters)
StyleReference	name_of_style_element	Optional. Specifies a reference to a style to be applied to the control
Text	text	Optional. The text to display in the textbox
Wrapping	wrap nowrap	Optional. Specifies whether or not the text in the textbox should wrap

Example 1

The following example will declare two forms in an .aspx file. The first form has a label with the text "Age?", a textbox to input the age, and a submit button. The second form is activated by the submit button on the first form, and displays a response:

<%@ Page
Inherits="System.Web.UI.MobileControls.MobilePage"%>
<%@ Register TagPrefix="Mobile"
Namespace="System.Web.UI.MobileControls"
Assembly="System.Web.Mobile" %>

<script runat="server">
Dim age
Sub AgeClick(sender As Object, e As EventArgs)
age=text1.Text
ActiveForm=Form2
End Sub
Sub Form2_Activate(sender As Object,e As EventArgs)
  message.Text="You are " & age & " years old"
End Sub
</script>

<Mobile:Form id="form1" runat="server">
  <Mobile:Label runat="server">Age?</Mobile:Label>
  <Mobile:TextBox runat="server" id="text1" />
  <Mobile:Command runat="server" OnClick="AgeClick"
  Text="Submit" />
</Mobile:Form>

<Mobile:Form id="form2" runat="server"
  OnActivate="Form2_Activate">
  <Mobile:Label runat="server" id="message" />
</Mobile:Form>

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