question about the events in the webform control

[Harry]

Dear all,

It is found that when a webform control trigger an event,

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
End Sub

This function will be load first, followed by

Private Sub Submit_Click(By Val sender As System.Object, ByVal e As
System.EventArg s) Handles Submit.Click
End Sub

the click event of button.

I have to generate a table from the database table.

I found that the generation of table function should put in submit_click
function

Private Sub Submit_Click(By Val sender As System.Object, ByVal e As
System.EventArg s) Handles Submit.Click
displaytablefro mdatabase()
End Sub

Also, i have to put the displaytablefro mdatabase() function page_load as i
have to deal with the postback when the page is refreshed.

Thus, i added something in Page_load

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
If me.ispostback() then
displaytablefro mdatabase()
end if
End Sub
The problem is that, i have another button called "reset", if a user click
"reset" button, the textbox in the form is set to empty string.

however, each time the "reset" button has been click, it will autopost back
and go to the "Page_Load" function and execute the
displaytablefro mdatabase() and display the form. before the form goes to
"Reset_Clic k" function.

Clearly, i don't want to execute displaytablefro mdatabase() when i click
Reset button. But, the webform has to go to Page_Load function before go to
the "Reset_Clic k" function.

What can i do?

Thanks all

Regards,
Harry

[William F. Robertson, Jr.]

If you have a !Page.IsPostBac k in your page load. I don't know how the
displaytablefro mdatabase() is running before the Reset_Click method (event).

Please clarify.
"Harry" <ha******@mail. hongkong.com> wrote in message
news:Oj******** *****@TK2MSFTNG P12.phx.gbl...

Dear all,

It is found that when a webform control trigger an event,

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
End Sub

This function will be load first, followed by

Private Sub Submit_Click(By Val sender As System.Object, ByVal e As
System.EventArg s) Handles Submit.Click
End Sub

the click event of button.

I have to generate a table from the database table.

I found that the generation of table function should put in submit_click
function

Private Sub Submit_Click(By Val sender As System.Object, ByVal e As
System.EventArg s) Handles Submit.Click
displaytablefro mdatabase()
End Sub

Also, i have to put the displaytablefro mdatabase() function page_load as i
have to deal with the postback when the page is refreshed.

Thus, i added something in Page_load

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
If me.ispostback() then
displaytablefro mdatabase()
end if
End Sub
The problem is that, i have another button called "reset", if a user click
"reset" button, the textbox in the form is set to empty string.

however, each time the "reset" button has been click, it will autopost back and go to the "Page_Load" function and execute the
displaytablefro mdatabase() and display the form. before the form goes to
"Reset_Clic k" function.

Clearly, i don't want to execute displaytablefro mdatabase() when i click
Reset button. But, the webform has to go to Page_Load function before go to the "Reset_Clic k" function.

What can i do?

Thanks all

Regards,
Harry

[Harry]

the displaytablefro mdatabase() has been put in

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
If me.ispostback() then // if it is
post back, displaytablefro mdatabase() will be runned
displaytablefro mdatabase()
end if
End Sub

if i don't execute displaytablefro mdatabase() when whenever it post back,
the table will disappeared when the page is post back.

"William F. Robertson, Jr." <wf*********@kp mg.com> wrote in message
news:Op******** *****@TK2MSFTNG P11.phx.gbl...

If you have a !Page.IsPostBac k in your page load. I don't know how the
displaytablefro mdatabase() is running before the Reset_Click method (event).
Please clarify.
"Harry" <ha******@mail. hongkong.com> wrote in message
news:Oj******** *****@TK2MSFTNG P12.phx.gbl...

Dear all,

It is found that when a webform control trigger an event,

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
End Sub

This function will be load first, followed by

Private Sub Submit_Click(By Val sender As System.Object, ByVal e As
System.EventArg s) Handles Submit.Click
End Sub

the click event of button.

I have to generate a table from the database table.

I found that the generation of table function should put in submit_click
function

Private Sub Submit_Click(By Val sender As System.Object, ByVal e As
System.EventArg s) Handles Submit.Click
displaytablefro mdatabase()
End Sub

Also, i have to put the displaytablefro mdatabase() function page_load as i have to deal with the postback when the page is refreshed.

Thus, i added something in Page_load

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
If me.ispostback() then
displaytablefro mdatabase()
end if
End Sub
The problem is that, i have another button called "reset", if a user click "reset" button, the textbox in the form is set to empty string.

however, each time the "reset" button has been click, it will autopost

back

and go to the "Page_Load" function and execute the
displaytablefro mdatabase() and display the form. before the form goes to
"Reset_Clic k" function.

Clearly, i don't want to execute displaytablefro mdatabase() when i click
Reset button. But, the webform has to go to Page_Load function before go

to

the "Reset_Clic k" function.

What can i do?

Thanks all

Regards,
Harry

[William F. Robertson, Jr.]

I don't know how safe this is (I am sure it is plenty safe), but it is what
I started doing for this situation.

override the OnPreRender event for the page and before calling
myBase.OnPreRen der()

c# code
protected override void OnPreRender( EventArgs e )
{
DisplayTableFro mDataBase();
base.OnPreRende r( e );
}

The display table will always run after the page_load and any postback
events have fired.

bill

"Harry" <ha******@mail. hongkong.com> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. ..

the displaytablefro mdatabase() has been put in

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
If me.ispostback() then // if it is post back, displaytablefro mdatabase() will be runned
displaytablefro mdatabase()
end if
End Sub

if i don't execute displaytablefro mdatabase() when whenever it post back,
the table will disappeared when the page is post back.

"William F. Robertson, Jr." <wf*********@kp mg.com> wrote in message
news:Op******** *****@TK2MSFTNG P11.phx.gbl...

If you have a !Page.IsPostBac k in your page load. I don't know how the
displaytablefro mdatabase() is running before the Reset_Click method (event).

Please clarify.
"Harry" <ha******@mail. hongkong.com> wrote in message
news:Oj******** *****@TK2MSFTNG P12.phx.gbl...

Dear all,

It is found that when a webform control trigger an event,

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
End Sub

This function will be load first, followed by

Private Sub Submit_Click(By Val sender As System.Object, ByVal e As
System.EventArg s) Handles Submit.Click
End Sub

the click event of button.

I have to generate a table from the database table.

I found that the generation of table function should put in submit_click function

Private Sub Submit_Click(By Val sender As System.Object, ByVal e As
System.EventArg s) Handles Submit.Click
displaytablefro mdatabase()
End Sub

Also, i have to put the displaytablefro mdatabase() function page_load as i

have to deal with the postback when the page is refreshed.

Thus, i added something in Page_load

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
If me.ispostback() then
displaytablefro mdatabase()
end if
End Sub
The problem is that, i have another button called "reset", if a user click "reset" button, the textbox in the form is set to empty string.

however, each time the "reset" button has been click, it will autopost

back

and go to the "Page_Load" function and execute the
displaytablefro mdatabase() and display the form. before the form goes

to "Reset_Clic k" function.

Clearly, i don't want to execute displaytablefro mdatabase() when i click Reset button. But, the webform has to go to Page_Load function before

go to

the "Reset_Clic k" function.

What can i do?

Thanks all

Regards,
Harry