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Elena2006 wrote: how we use ASP session in ASP.NET pag
MSDN has an article[^] on this.
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Hi,
How we access files exists in different server other than the application server without using any services, in our .NET application?
Thanks in advance
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If the server is not on your network, you can't, unless they offer a webservice to do it through, or a VPN.
Christian Graus
Driven to the arms of OSX by Vista.
Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.
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Hi,
There is the requirement to give security to web.config file. How it is possible?
Thanks in advance
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Yes. Make your server secure. Beyond that, what do you hope to do ?
Christian Graus
Driven to the arms of OSX by Vista.
Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.
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Are you human or a bot? All 3 replies by you are at same time. 
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It's not hard to churn out replies to people asking basic questions and doing no research 
Christian Graus
Driven to the arms of OSX by Vista.
Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.
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Hi,
Suppose for a running website I modified the web.config file. So what will happen to the user those already using the application.
Thanks in advance
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Buy a book. Bloody hell.
You could also try it and see.
Christian Graus
Driven to the arms of OSX by Vista.
Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.
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When you modify web.config, ASP.NET worker process will recycle and it will kill all active sessions. As CG said, you need a book.
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It will kill all your session/application object and session timeout will there... 
If the message is useful for U then please Rate This message...
Be a good listener...Because Opprtunity knoughts softly...N-Joy
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This is a WebForm application
I have created an app that binds (onItemDataBound) 3 textboxes in a datalist, Quantity, Rate and Total. The user enters the quantity and the rate, upon leaving the rate field the program needs to compute the total. Is there an event available in WebForms that will recognize that the cursor has left the Rate textbox, so I can compute the total and display it in the Total Textbox on that row.
I know how to get the data in and out during pre & post processing I just don't know what event is called when leaving the textbox.
Thanks, Chuck..
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well there are 2 things you do
set for your Rate Textbox the next statements
- AutoPostBack="true"
- OnTextChanged="txtRate_OnTextChanged"
Create in the code behind the next eventhandler:
protected void txtRate_OnTextChanged(Object sender, EventArgs e)
{
// place your code here
}
In Word you can only store 2 bytes. That is why I use Writer.
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Digimanus, Thanks for your response.
Everything seems to code fine until it comes to the code behind, which is VB.NET.
Because this is a TextBox embedded in a datalist, I need to index of the entry that envoked the OnTextChange event which as far as I know, and that might not be very far, can only be aquired through the parameter: "byval e as System.Web.UI.WebControls.DatalistItemEventArgs" which does not match the "byval e as System.EventArgs" requirements of the OnTextChanged subroutine.
This appears to be the exact way to make this happen except for having the datalist entry returned to the called subroutine. Do you know of a way that I can aquire the index of the current entry in the datalist using the System.EventArgs object?
Thanks
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I have several dropdownlists on my page. The first works as expected and populated the the datasets for the other two and displays them on the screen.
My issue arises once I make a selection from the 2nd and 3rd dropdownlists. It appears that the onSelectedIndexChanged method is not firing.....
<asp:Label ID="Label3" runat="server" Text="Study Selection"></asp:Label>
<asp:DropDownList ID="DropDownList3" runat="server" AutoPostBack="True" onSelectedIndexChanged="displayDefinitions" >
</asp:DropDownList> <asp:Label
ID="Label1" runat="server" Text="Row Selection" Visible="False"></asp:Label>
<asp:DropDownList ID="DropDownList1" runat="server" Visible="false" onSelectedIndexChanged="nextStep" >
</asp:DropDownList> <asp:Label
ID="Label2" runat="server" Text="Column Selection" Visible="False"></asp:Label>
<asp:DropDownList ID="DropDownList2" runat="server" Visible="false" onSelectedIndexChanged="nextStep" >
</asp:DropDownList>
DropDownList3 works fine.
DropDownList1 and DropDownList2 do not. I can make a selection, but the underlying code is not called.
I'm sure it's going to be something deceptively simple, but I'm just not seeing it.
Thanks for any help offered.
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Did you set AutoPostBack="True" to DropDownList1 and DropDownList2 ?
Why you don't rename controls with better meaningful names?!
I Love T-SQL
"Don't torture yourself,let the life to do it for you."
If my post helps you kindly save my time by voting my post.
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Set AutoPostBack true for DropDownList1 and DropDownList2 as you did in DropDownList3 as below
<asp:DropDownList ID="DropDownList1" runat="server" Visible="false" AutoPostBack="True" onSelectedIndexChanged="nextStep" ></asp:DropDownList>
<asp:DropDownList ID="DropDownList2" runat="server" Visible="false" AutoPostBack="True" onSelectedIndexChanged="nextStep" ></asp:DropDownList>
Cheers!!
Brij
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Nope, that's not it. If I set AutoPostBack, the dropdownlist does not retain the selected change.
(As a side note, this is proof of concept page, so will not be retained, otherwise, yes, I'd have more meaningful element names.)
Christian Graus answererd a similar question (Re: Problem in handling SelectedIndexChanged event of a dynamically created drop down) and stated that the dropdownlist needed to be created before page load. I tried that and got an error that the variable I need to populate the next dropdownlist is not valid.
I'm close. I know it.
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TMFoust wrote: Nope, that's not it. If I set AutoPostBack, the dropdownlist does not retain the selected change.
That because you did not check the Page.ISPostBack Property. Where you bind the data in Dropdown list?
Try this in Page_Load()
if(!Page.ISPostBack)
{
}
TMFoust wrote: Christian Graus answererd a similar question (Re: Problem in handling SelectedIndexChanged event of a dynamically created drop down) and stated that the dropdownlist needed to be created before page load.
He tolds about the dynamic Control. Cause All the view state and Postback data loads just before the Page_Load(). So if your creates any control after Page_Load(), it will not able to load Pastback and View State Data. So that it is recomanded to Create Dynamic control in Page_PreInit() Event.
Hope this will clear your doubts. 
cheers,
Abhijit
CodeProject MVP
Web Site:abhijitjana.net
When you ask a question, remember to click "Good Answer", If the Answer is helps you.
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Do you create Dropdownlist dynamically?
If yes,then you need to to create it before pageload mainly in Page_Init or PreInit, for getting all the properties of Dropdownlist like viewstate etc.
Debug your application you must be resetting it somewhere after postback
Cheers!!
Brij
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Abijit, thanks, but when I add the (!page.ispostback) the dropdownlists no longer get dynamically created.
Brij, I can't initialize DropDownList1 and DropDownList2 in Page_init because they depend on a selection from DropDownList3 to populate the datasets? I get variable not valid errors when I try.
Like I said, I feel wretchedly dumb, but this is frustrating me.
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Just Tell me what is your exact requirments?
cheers,
Abhijit
CodeProject MVP
Web Site:abhijitjana.net
When you ask a question, remember to click "Good Answer", If the Answer is helps you.
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Dropdownlist3 has a list of studies (databases).
The user selects which one to use and then gets 2 lists (Dropdownlist1 and dropdownlist2) containing lists of definition files.
The user has to select a row file and a column file to populate a webgrid for statistical analysis. These selections are supposed to enable a button allowing the webgrid dataset creation.
I have the function to take the row selection and column selection and combine them into a dataset to create the webgrid, but if I cannot get the method to call that routine....
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Then where Dynamic creation of Dropdown list comes into the picture, where as you have three specific dropdown list. if you dont want to show the third one you can make it Visiable=False, and show it when necessary. You need to create dynamic control when you donot need the specific number of control. As fer as I am seeing, There is no need of creation of dynamic control.
cheers,
Abhijit
CodeProject MVP
Web Site:abhijitjana.net
When you ask a question, remember to click "Good Answer", If the Answer is helps you.
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