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New Message on MumbaiUserGroup
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From: atrehan
Message 2 in Discussion
Hi, I tried to simulate your problem and was sucessfull to some level. Thats
what we will discuss here. This poblem may be solved by Using events. I had
created a control named Control1.ascx and added 5 textboxes and 2 buttons "Add"
and "Save" as you have said. In the user control code behind i.e.
control1.ascx.vb i have few extra things 'First cretate and object of the
page where u are using this control, lets say the page name is DataGridControl,
so the class name will be 'same Dim objDataGrid as new DataGridControl 'Now
we declare two events on this page for handling click of "Add" and "Save"
button 'This is the event for handling click of Add button 'Here we have passed
the values of all the textboxes on the User Control so that we can manipulate
the data set by user Public event AddClicked(byval textbox1.text as string,
byval textbox2.text as string, byval textbox3.text as string, byval
textbox4.text as string,byval textbox5.text as string) 'This is the event
for handling click of Save button 'Here we have passed the values of all the
textboxes on the User Control so that we can manipulate the data set by user
Public event SaveClicked(byval textbox1.text as string, byval textbox2.text as
string, byval textbox3.text as string, byval textbox4.text as string,byval
textbox5.text as string) 'Now in the Page_Init subroutine of the user control
we will attach these events to the functions that we want to call on the click
of each button 'HandleAddClick is the subroutine that you will write on the
aspx page for manipulating the data 'Also HandleSaveClick will be written on
the same aspx page Addhandler AddClicked, Addressof objDataGrid.HandleAddclick
Addhandler SaveClicked, Addressof objDataGrid.HandleSaveclick 'Next thing
is to Raise the events for Add and Save button 'When the user hits the Add
button on the page, btnAdd_Click event of user control will be fired which in
turn will fire the event AddClicked and as AddClicked is attached to
HandleAddClick so at the end HandleAddClick on aspx page will be executed
Private Sub btnAdd_Click(byval sender as object,byval e as system.eventargs)
handles btnAdd.Click RaiseEvent AddClicked('values of all the textboxes) Ens
Sub Similarly the save button will operate But why you want to get these
events on the aspx page when you can handle them in user control as well. And
the second problem of showing the data in the user control, for that you can
write small piece of code in the page load of user control If IsPostBack then
'Here Grid1:_ctl2:mControl1:TextBox1 is 'Grid1 is the id of the DataGrid
'ctl12 is autmaticaly generated by the GataGrid depending on the number of
rows in the DatGrid 'TxtBox1 is the id of the text box on the user control
'Basically for getting this value you have to look in the view source of the
page to know whats the name of the TextBox that Page uses
TextBox1.Text=Request.Form("Grid1:_ctl12:myControl1:Textbox1") 'smilarly
you can do for other TextBoxes end If Plez provide your comments. Thanks,
Amit Trehan
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