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Hi,
I am building up a string in vb.net, and then want to display it in a javascript confirm box. If the user confirm, then the function should go on, otherwise it should exit.
How would I proceed. This is what I have thus far.
<br />
msg = "The Centre has Item(s) attached to it." & vbCrLf & "Are You sure you want to delete this Centre?" <br />
msg = msg.Replace(vbCrLf, "\n")<br />
msg = "<script language=javascript>return confirm(""" & msg & """)</script>"<br />
msg = msg<br />
Dim sb As New StringBuilder()<br />
sb = New StringBuilder()<br />
sb.Append(msg)<br />
<br />
'not sure how to proceed from here <br />
If msg = MsgBoxResult.Yes Then<br />
'code here<br />
else<br />
'code here<br />
end if
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in the page load add this code
myButton.Attributes.Add("onclick", "return confirm_delete();")
and write in the aspx page
function confirm_delete()
{
if (confirm("Are you sure you want to delete this ... ?")==true)
return true;
else
return false;
}
hope this would help
Best Regards
3ala2 
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Ok, I can include the function, but how do I set the true/false that the javascript returns to a variable in the code behind. Depending what the user selects, I continuw with the code behind function.
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It can't be done that way.
At least not without a TARDIS[^]. 
The page that you create will be sent to the browser, and the execution on the server ends. When the page is loaded in the browser, the Javascript will be run and the user get to reply to the confirm box. The result of the choise can not travel back in time and be used in the code that created the page before it was sent to the browser.
If you want to use the value in server side code, you have to send the value back to the server and use it when the next page is created.
---
b { font-weight: normal; }
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I understand what you meant by your post. Will have to do with a normal client side confirm box.
Thanks
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Can anybody tell me "cache" is browser memory,or server memory or both?
I have idea about server side cache, what about browser cache?
Thanks&Regards
Srilakshmi
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Cookies is the only type of clientside caching. ViewState seems used at clientside but actually it traverse during callback between clintside and serverside.
Neeraj
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Neeraj Arora wrote: Cookies is the only type of clientside caching.
It's not at all the only type of client side caching. The usual form of client side caching is caching of requested files.
Furthermore, cookies are not cached at all. They are stored at client side, and it's the only place that they are stored.
---
b { font-weight: normal; }
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srilu nagalla wrote: Can anybody tell me "cache" is browser memory,or server memory or both?
Both and neither. There are many ways of caching.
A file can be cached in the browser. The browser will then use the cached copy instead of requesting a new one from the server. This is especially useful for images. Files can be cached in memory or on disk.
A page can be cached on the server, so that when someone requests the page, the code to create it doesn't always have to run.
A file can be cached between the server and the browser, for example in a router.
The server can use caching for other things than pages. You can for example cache a commonly used object so that you don't always have to fetch it from some slower media, like a database.
---
b { font-weight: normal; }
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Thanks for this information. I was really unaware of these concepts but buddy the problem was written here for browser cache.
Neeraj
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Hello
I'm building my own Website which contains a discussion forum.. Do u guys have any reference or source code for a 'Forum' based on ASP.NET (VB) and SQL Server Database?
Thx
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why build one when you you can download and use one for free.
Try Telligent Community server, http://www.communityserver.com/ it's easy to set up and it quite customizable.
"a fool will not learn from a wise man, but a wise man will learn from a fool"
"It is hard to fail, but it is worse never to have tried to succeed." - Theodore Roosevelt
"Success is going from failure to failure without losing your enthusiasm." - Winston Churchill
My Website || My Blog
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Hi Guys,
I want to move the wizard control sidebar to top. Since sidebar buttons can be shown horizentally i can show those buttons in a row. I want to move that on top instead on the side? Please help. I know control adapter can help but i don't know how to write control adapter for wizard control. If someone has written that then please share the code with me.
none
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Hi ,
How can I access the file system on a remote server? The site is running on local web server. When I add a new client through the managment site (the local site), I need to create a folder for the new client on the production site (the remote server), and copy some files into the new created folder, so that the client will have his own folder on the production site.
I am using .NET 2.0. Is it possible to do it? Any help would be very appreciated!
Thanks!
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There is good property in datalist; RepeatColumns
Is there any think like this makes a repeater repeate item tempaltes, like putting 3 in a row.
I do this a bit ugly way using condition for "ItemIndex"
----------------------------
| item 1 | item 2 | item 3 |
----------------------------
| item 4 | item 5 | item 6 |
----------------------------
| item 7 | item 8 | item 9 |
----------------------------
.
.
.
<br />
...<br />
<ItemTemplate><br />
<%# (int.Parse(DataBinder.Eval(Container, "ItemIndex").ToString())%3==0)?"<tr>":""%> <br />
<td><%# Eval("caption") %></td> <br />
<%# (int.Parse(DataBinder.Eval(Container, "ItemIndex").ToString())%3==2)?"</tr>":""%> <br />
</ItemTemplate>
karanba
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Hello,
I am creating a custom control which uses TextBoxes and Required field validator. I am using INamingContainer in my custom control.
When I use the control in a page I get an error:
"The ControlToValidate property of 'rfvEmail' cannot be blank. "
I have no idea why I am getting this error. It is like I did not referenced the rfvEmail.ControlToValidate. But I did.
I tried everything I could think off but had no luck.
Could somebody help me out?
Here is my code:
Public Class MyControl
Inherits WebControl
Implements INamingContainer
Private WithEvents tbEmail As New WebControls.TextBox
Private WithEvents rfvEmail As New WebControls.RequiredFieldValidator
Private Sub tbEmail_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles tbEmail.Init
tbEmail.Width = Unit.Pixel(200)
End Sub
Private Sub rfvEmail_Init(ByVal sender As Object, ByVal e As System.EventArgs) Handles rfvEmail.Init
.ControlToValidate = tbEmail.ID ' ???????? ERROR ?????????
.Display = ValidatorDisplay.Dynamic
.ErrorMessage = "Required Field"
End Sub
Protected Overrides Sub CreateChildControls()
MyBase.Controls.Add(tbEmail)
MyBase.Controls.Add(rfvEmail)
MyBase.CreateChildControls()
Me.ChildControlsCreated = True
End Sub
End Class
Thank You Very Much,
Miguel
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You have not set the ID for the TextBox Control
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Hi,
I am lost but does not "Implements INamingContainer" does that?
Thanks,
Miguel
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Set the ControlToValidate property after you have added the text box to the page.
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b { font-weight: normal; }
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Hi,
Sorry to ask a very basic question probably...
I am currently writing a project in Visual Studio 2005 with vb as language...
I have put a button one my webpage that should lead the user to a second webpage where he can enter data in a form which should be used on the first webpage...
I cannot seem to find how this is done in ASP.NET ?
So when the user clicks the "Add appointment" button he should be taken to another page where he enters all the needed data then pushes the "OK" button. The data is then saved and the user taken back to the first page.
Before i have managed to do so by using Panels en enabling / disabling them to let the user view different forms but my pages seem to get too big...
can anyone lead me to the good way ?
thanx, Olivier
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10 Page 1: Load data from database
20 Page 2: User enters appointment data, save to database, GOTO 10
only two letters away from being an asset
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Olivier,
If I understand your question correctly, you need to create an even handler for your button, and write this code within it:
Server.Transfer("~/SomePath/SomePage.aspx");
Also, this can be doe by this line of code:
Response.Redirect("~/SomePath/SomePage.aspx");
Sorry my code is in C# 
You can create an event handler for your button by simply double clicking the button in the designer view.
I hope this helps. Let me know if you need more help
Nila
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Ok! thanx... think that works! i only needed to remove the semicolon to translate from c# to vb 
but.... i let the user fill in an inputfield on this second page.. then he clicks OK to go back to the first page...
now i want to read the value filled in on the second page... In PHP you can pass these variables on the url... in vb you can say page2.inputfield etc...
thank you very much for your help! ![Rose | [Rose]](https://codeproject.freetls.fastly.net/script/Forums/Images/rose.gif)
Olivier
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Hi Olivier,
There are number of ways in which you can accomplish this... you can store your variables as session objects:
Session["myData"] = _myLocalVariable;
Then retrieve it from any other page:
String someString = (Session["myData"]).ToString();
Once again, this is in C#, just make sure you destroy that session after you are done with it (I usually give it a life of minutes).
Let me know if you have any issues
Nila
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thank you, i will try it when i get home :->
your help is very much apreciated !
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