c# help : how to retrive all name of textbox in form

[wondery]

how to code ?

[Robby]

   foreach (TextBox t in this.Controls) {
       MessageBox.Show( t.Name.ToString());
}

[wondery]

D:\My Documents\inventory\customerlist.aspx.cs(183): 'System.Web.UI.WebControls.TextBox' does not contain a definition for 'Name'

 

it show this ...

[Volte]

Change Name to ID if you are using ASP.NET.

[wondery]

how to ? more explain please

 

Specified cast is not valid.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

 

Exception Details: System.InvalidCastException: Specified cast is not valid.

 

Source Error:

 

 

Line 179: private void btnClear_Click(object sender, System.EventArgs e)

Line 180: {

Line 181: foreach (TextBox t in this.Controls)

Line 182: {

Line 183: Response.Write(t.ID.ToString());

 

 

[wondery]

all textbox in table and i use table in webform now i use this code

it not go into loop what i'm wrong

foreach(Control t in this.Controls)
{
  if (t is Table)
  ((Table) t).Visible = false;
}

[wondery]

thanx i can do it