| KaxTextBoxColumns Property |
Gets or sets the display width of the KaxTextBox in characters.
Namespace: Kettic.AspNet.Controls
Assembly: Kettic.AspNet.Controls (in Kettic.AspNet.Controls.dll) Version: 2014.4.1129.0 (2014.04.1129.0)
SyntaxProperty Value
Type: Int32The display width, in characters, of the KaxTextBox. The default is 0, which indicates that the property is not set.
Exceptions| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | The specified width is less than 0. |
Remarks
.NET Framework
Supported in: 3.0, 2.0, 1.1, 1.0
Supported in: 3.0, 2.0, 1.1, 1.0
ExamplesThe following code example demonstrates how to use the Columns property to specify a width of 2 characters for the KaxTextBox control. This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements.
[C#]
</%@ Page Language="C#" AutoEventWireup="True" /%>
</%@ Register Assembly="KaxInput.Net2" Namespace="Kettic.AspNetControls" TagPrefix="kaxI" /%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>KaxTextBox Example </title>
<script runat="server">
protected void AddButton_Click(Object sender, EventArgs e)
{
int Answer;
Answer = Convert.ToInt32(Value1.Text) + Convert.ToInt32(Value2.Text);
AnswerMessage.Text = Answer.ToString();
}
</script>
</head>
<body>
<form id="form1" runat="server">
<h3>
KaxTextBox Example
</h3>
<table>
<tr>
<td colspan="5">
Enter integer values into the text boxes.
<br />
Click the Add button to add the two values.
<br />
Click the Reset button to reset the text boxes.
</td>
</tr>
<tr>
<td colspan="5">
</td>
</tr>
<tr align="center">
<td>
<kaxI:KaxTextBox ID="Value1" Columns="2" MaxLength="3" Text="1" runat="server" />
</td>
<td>
+
</td>
<td>
<kaxI:KaxTextBox ID="Value2" Columns="2" MaxLength="3" Text="1" runat="server" />
</td>
<td>
=
</td>
<td>
<asp:Label ID="AnswerMessage" runat="server" />
</td>
</tr>
<tr>
<td colspan="2">
<asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Value1"
ErrorMessage="Please enter a value.<br />" Display="Dynamic" runat="server" />
<asp:RangeValidator ID="Value1RangeValidator" ControlToValidate="Value1" Type="Integer"
MinimumValue="1" MaximumValue="100" ErrorMessage="Please enter an integer <br /> between than 1 and 100.<br />"
Display="Dynamic" runat="server" />
</td>
<td colspan="2">
<asp:RequiredFieldValidator ID="Value2RequiredValidator" ControlToValidate="Value2"
ErrorMessage="Please enter a value.<br />" Display="Dynamic" runat="server" />
<asp:RangeValidator ID="Value2RangeValidator" ControlToValidate="Value2" Type="Integer"
MinimumValue="1" MaximumValue="100" ErrorMessage="Please enter an integer <br /> between than 1 and 100.<br />"
Display="Dynamic" runat="server" />
</td>
<td>
 
</td>
</tr>
<tr align="center">
<td colspan="4">
<asp:Button ID="AddButton" Text="Add" OnClick="AddButton_Click" runat="server" />
</td>
<td>
</td>
</tr>
</table>
</form>
</body>
</html>
[Visual Basic]
</%@ Page Language="VB" AutoEventWireup="True" /%>
</%@ Register Assembly="KaxInput.Net2" Namespace="Kettic.AspNetControls" TagPrefix="kaxI" /%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>TextBox Example </title>
<script runat="server">
Protected Sub AddButton_Click(sender As Object, e As EventArgs)
Dim Answer As Integer
Answer = Convert.ToInt32(Value1.Text) + Convert.ToInt32(Value2.Text)
AnswerMessage.Text = Answer.ToString()
End Sub
</script>
</head>
<body>
<form id="form1" runat="server">
<h3>
KaxTextBox Example
</h3>
<table>
<tr>
<td colspan="5">
Enter integer values into the text boxes.
<br />
Click the Add button to add the two values.
<br />
Click the Reset button to reset the text boxes.
</td>
</tr>
<tr>
<td colspan="5">
</td>
</tr>
<tr align="center">
<td>
<kaxI:KaxTextBox ID="Value1" Columns="2" MaxLength="3" Text="1" runat="server" />
</td>
<td>
+
</td>
<td>
<kaxI:KaxTextBox ID="Value2" Columns="2" MaxLength="3" Text="1" runat="server" />
</td>
<td>
=
</td>
<td>
<asp:Label ID="AnswerMessage" runat="server" />
</td>
</tr>
<tr>
<td colspan="2">
<asp:RequiredFieldValidator ID="Value1RequiredValidator" ControlToValidate="Value1"
ErrorMessage="Please enter a value.<br />" Display="Dynamic" runat="server" />
<asp:RangeValidator ID="Value1RangeValidator" ControlToValidate="Value1" Type="Integer"
MinimumValue="1" MaximumValue="100" ErrorMessage="Please enter an integer <br /> between than 1 and 100.<br />"
Display="Dynamic" runat="server" />
</td>
<td colspan="2">
<asp:RequiredFieldValidator ID="Value2RequiredValidator" ControlToValidate="Value2"
ErrorMessage="Please enter a value.<br />" Display="Dynamic" runat="server" />
<asp:RangeValidator ID="Value2RangeValidator" ControlToValidate="Value2" Type="Integer"
MinimumValue="1" MaximumValue="100" ErrorMessage="Please enter an integer <br /> between than 1 and 100.<br />"
Display="Dynamic" runat="server" />
</td>
<td>
 
</td>
</tr>
<tr align="center">
<td colspan="4">
<asp:Button ID="AddButton" Text="Add" OnClick="AddButton_Click" runat="server" />
</td>
<td>
</td>
</tr>
</table>
</form>
</body>
</html>
See Also