Important properties, method and event of TextBox control : TextBox « ASP.net Controls « ASP.NET Tutorial






AccessKey:        specify a key that navigates to the TextBox control.

AutoCompleteType: associate an AutoComplete class with the TextBox control.

AutoPostBack:     post the form containing the TextBox back to the server automatically when the contents of the TextBox is changed.

Columns:          specify the number of columns to display.

Enabled:          disable the text box.

MaxLength:        specify the maximum length of data that a user can enter in a text box (does not work when TextMode is set to Multiline).

ReadOnly:         prevent users from changing the text in a text box.

Rows:             specify the number of rows to display.

TabIndex:         specify the tab order of the text box.

Wrap:             specify whether text word-wraps when the TextMode is set to Multiline.

Focus:            set the initial form focus to the text box.

TextChange:       Raised on the server when the contents of the text box are changed.


<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

    protected void txtSearch_TextChanged(object sender, EventArgs e)
    {
        lblSearchResults.Text = "Search for: " + txtSearch.Text;
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>TextBox AutoPostBack</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <asp:Label
        id="lblSearch"
        Text="Search:"
        Runat="server" />
    <asp:TextBox
        id="txtSearch"
        AutoPostBack="true"
        OnTextChanged="txtSearch_TextChanged"
        Runat="server" />

    <hr />

    <asp:Label
        id="lblSearchResults"
        Runat="server" />

    </div>
    </form>
</body>
</html>








3.5.TextBox
3.5.1.Important properties, method and event of TextBox control
3.5.2.TextBox can display different types of input fields depending TextMode property
3.5.3.Show AutoComplete
3.5.4.Set the focus to a TextBox
3.5.5.Get input value from asp:textbox (VB.net)
3.5.6.Set textbox text value in button action
3.5.7.asp:TextBox changed event (C#)
3.5.8.Use if statement to check form input data (VB.net)
3.5.9.Bind string value to asp:textBox (VB.net)
3.5.10.Use Cint to convert input value in asp:textbox to integer (VB)
3.5.11.Use Convert.ToInt32 to convert input value in asp:textbox to integer (C#)
3.5.12.Check form input value and report error in case of empty input (VB.net)
3.5.13.Set AutoCompleteType
3.5.14.Convert input in TextBox into decimal
3.5.15.Extrapolate date values from the typed text