dynamic created textbox disappear when button is clicked

[georgepatotk]

   Sub ShowMyTextBox()
       Dim MyTextBox As New TextBox
       MyTextBox.ID = "MyTextBox" 
       MyTextBox.Text = "MyTextBox"
       Me.Panel1.Controls.Add(MyTextBox)

   End Sub

   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       ShowMyTextBox()
   End Sub

 

As pasted above, I have two button in a web form.

Button1 is to create a textbox.

I have the other button named Button2.

When I press Button2, the created text box is disappear.

Can you tell me why the created textbox is disappear when I press button2??

[wessamzeidan]

Dynamically created controls should be recreated on every postback....

[georgepatotk]

in my case, how to recreate it??

Please tell me some hints.

thanks..

[wessamzeidan]

I'm not sure, but I think you just have to call ShowMyTextBox() again

[georgepatotk]

YeH...

thanks a lot.. I think I had figured out a way to do so..

 

First, I declare a global flag variable in my main aspx.

 

When I create ShowMyTextBox(), I will set the flag to true.

 

so, everytime I post back the page, I will read the global variable. If it is not false, I will call ShowMyTextBox()

[wessamzeidan]

So it worked......good. But I have a question for you, when you recreate the control, are you able to read the values entered by the user in this textbox??

[georgepatotk]

ok, a way to make the value remained.

 

Dim txt1 as new TextBox

Private Sub Load(....)
    if txt1.text <> "" then
         me.controls.add(txt1)
    end if
End Sub

Private Sub Button1_Click(.....) Handles Button1.Click
    txt1.text = "Hello"
    me.controls.add(txt1)
End Sub

 

Got my idea???