Untuk mengetikkan tombol tab di kotak teks, Anda dapat menggunakan skrip seperti ini (kotak teks yang menerima tombol tab dinamai txtLongText):
[VB.NET]
txtLongText.Attributes.Add("onkeydown", _
"if(event.which || event.keyCode){if ((event.which == 9)" & _
"|| (event.keyCode == 9)) {document.getElementById('" & _
txtLongText.ClientID + "').selection = " & _
document.selection.createRange();" & _
txtLongText.ClientID & ".selection.text = " & _
" String.fromCharCode(9);return false;}} else {return true}; ")
[C #]
txtLongText.Attributes.Add("onkeydown",
"if(event.which || event.keyCode){if ((event.which == 9)" +
"|| (event.keyCode == 9)) {document.getElementById('"+
txtLongText.ClientID + "').selection = document.selection.createRange();" +
txtLongText.ClientID + ".selection.text = String.fromCharCode(9);return false;}} else {return true}; ");
Atau lebih baik, untuk menghindari pengkodean yang sulit, Anda dapat memasukkan kode ini ke dalam suatu fungsi bernama EnableTabType. Fungsi hanya memiliki satu parameter, yang menentukan apa yang TextBoxmengontrol di mana Anda perlu mengaktifkan pengetikan karakter Tab.
[VB.NET]
Public Sub EnableTabType(tb As TextBox)
tb.Attributes.Add("onkeydown", _
"if(event.which || event.keyCode){if((event.which == 9)" & _
"|| (event.keyCode == 9)) {document.getElementById('" & _
tb.ClientID & "').selection=document.selection.createRange();" & _
tb.ClientID & ".selection.text = " & _
" String.fromCharCode(9);return false;}}else{return true};")
End Sub
[C #]
public void EnableTabType(TextBox tb)
{
tb.Attributes.Add("onkeydown",
"if(event.which || event.keyCode){if ((event.which == 9)" +
"|| (event.keyCode == 9)) {document.getElementById('"+
tb.ClientID + "').selection = document.selection.createRange();" +
tb.ClientID + ".selection.text = String.fromCharCode(9);return false;}} else {return true}; ");
}
Sumber: http://www.beansoftware.com/ASP.NET-Tutorials/Access-Tab-Key.aspx