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HtmlTextArea.Cols Properti

Definisi

Ruang nama:
System.Web.UI.HtmlControls
Rakitan:
System.Web.dll

Mendapatkan atau mengatur lebar (dalam karakter) HtmlTextArea kontrol.

public:
 property int Cols { int get(); void set(int value); };
public int Cols { get; set; }
member this.Cols : int with get, set
Public Property Cols As Integer

Nilai Properti

Int32

Lebar (dalam karakter) HtmlTextArea kontrol. Nilai defaultnya adalah -1, yang menunjukkan bahwa properti ini tidak diatur.

Contoh

Contoh kode berikut menunjukkan cara menggunakan Cols properti untuk mengontrol lebar HtmlTextArea kontrol.

<%@ Page Language="C#" AutoEventWireup="True" %>

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

  void SubmitBtn_Click(Object sender, EventArgs e)
  {
    TextArea1.Cols = Convert.ToInt32(Select1.Value);
    Span1.InnerHtml = "You wrote: <br />" + TextArea1.Value;
  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
   <title>HtmlTextArea Example</title>
</head>

<body>

   <form id="form1" runat="server">

      <h3>HtmlTextArea Example</h3>

      Enter your comments: <br />

      <textarea rows="2" cols="20" id="TextArea1" 
                runat="server"/>

      <br />
      Select column width: <br />

      <select id="Select1"
              runat="server">

         <option value="10" selected="selected"> 10 </option>
         <option value="20"> 20 </option>
         <option value="30"> 30 </option>
         <option value="40"> 40 </option>
         <option value="50"> 50 </option>
         <option value="60"> 60 </option>

      </select>

      <br /><br />

      <input type="submit"  
             value="Submit" 
             onserverclick="SubmitBtn_Click" 
             runat="server"/>

      <br />

      <span id="Span1" 
            runat="server" />

   </form>

</body>
</html>

<%@ Page Language="VB" AutoEventWireup="True" %>

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

  Sub SubmitBtn_Click(ByVal sender As Object, ByVal e As EventArgs)
      
    TextArea1.Cols = CInt(Select1.Value)
    Span1.InnerHtml = "You wrote: <br />" + TextArea1.Value
      
  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
   <title>HtmlTextArea Example</title>
</head>

<body>

   <form id="form1" runat="server">

      <h3>HtmlTextArea Example</h3>

      Enter your comments: <br />

      <textarea rows="2" cols="20" id="TextArea1" 
                runat="server"/>

      <br />

      Select column width: <br />

      <select id="Select1"
              runat="server">

         <option value="10" selected="selected"> 10 </option>
         <option value="20"> 20 </option>
         <option value="30"> 30 </option>
         <option value="40"> 40 </option>
         <option value="50"> 50 </option>
         <option value="60"> 60 </option>

      </select>

      <br /><br />

      <input type="submit"  
             value="Submit" 
             onserverclick="SubmitBtn_Click" 
             runat="server"/>

      <br />

      <span id="Span1" 
            runat="server" />

   </form>

</body>
</html>

Keterangan

Cols Gunakan properti untuk menentukan atau menentukan lebar (dalam karakter) HtmlTextArea kontrol. Jika Anda memasukkan teks yang lebih panjang dari lebar kotak teks, teks secara otomatis berlanjut pada baris kontrol berikutnya.

Untuk mengontrol tinggi kontrol, atur Rows properti .

Berlaku untuk

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