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2 Items, 1 Pages 1 |< << Go >> >|

	darbhas
	Asp.Net User

UserControls & Session Variables

3/22/2004 3:29:39 PM

0/0

Hello All,
I have three user controls - Step1 (Step1.ascx) ,Step2 (Step2.ascx) & Step3 (Step3.ascx) , which I have included in a webform as follows:-

<ucSteps:step1 id="UCStep1" Title="Contact Info" runat=server></ucSteps:step1>

<ucSteps:step2 id="UCStep2" Title="Company Info" runat=server visible=false></ucSteps:step2>

<ucSteps:step3 id="UCStep3" Title="Confirm Info" runat=server visible=false></ucSteps:step3>

In Steps 1 & 2, the user will be entering his Contact and Company information and in Step3 he will have to confirm the information to be finally stored in the database. The visibilities of the steps are changed accordingly.

I have a dataset that contains ContactInfo and CompanyInfo tables. So at Step1 when user submits his contact information, it is stored into ContactInfo table and the dataset is stored in a Session variable. At Step2, the dataset is retrieved from the session variable and
just like step1, Company information is stored into CompanyInfo table. Again the changed dataset is saved back to the session.

Now comes the problem, In step3, I'm just displaying all the information thats been entered till now. For this I retrieve the dataset stored in the session variable. I am able to access and display Contact Information from the DataSet. But when I access CompanyInformation from CompanyInfo table of the DataSet, I found out that there are no rows in that table, which doesn't make any sense to me, because just in the previous step I have inserted a new row into CompanyInfo table.

But to my surprise, when I refresh the page, I see even the company information also.
So my question is, am I doing something wrong in storing dataset into Session variable or is it something that has to be done with the user control usage.

I have even checked the event handling in step2 which is also working properly.

Or Is there any other good practice of passing information between user controls?

Any input is highly appreciated,
Thank you.

	master4eva
	Asp.Net User

Re: UserControls & Session Variables

3/22/2004 5:12:27 PM

0/0

:: I doing something wrong in storing dataset into Session variable or is it something that has to be done with the user control usage.

I think that it has to do with the paging technique that you have employed. My best guess, without looking at your code, is to have this formation in each user control like so:



protected override OnPreRender(EventArgs e) {


   base.OnPreRender(e);





   if (Session["CurrentStep"] == null)


      Session["CurrentStep"].ToString() = ID;





   if (Session["CurrentStep"].ToString() == ID) {


      if (Page.IsPostBack) {


         // save the data to the session





         bool focusNextControl = false;





         foreach (Control sibling in Parent.Controls) {


            if (focusNextControl) {


               Session["CurrentStep"].ToString() = sibling.ID;


               break;


            }


            else if (sibling == this)


               focusNextControl = true;


         }





         Visible = false;


      }


   }


}

-- Justin Lovell

2 Items, 1 Pages 1 |< << Go >> >|

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