SQL Reporting :: Session Gone For Second Data Source?
Jan 11, 2010
I'm working on a local report that has two ObjectDataSource objects. When trying to bring up the report from an ASP.NET page using the ReportViewer control, the report goes out to the first ODS and gets its data just fine but when it calls out to the second ODS to get that data the HttpContext.Current property is null. We're using InProc sessions and the worker process count is set to 1. Has anyone else bumped into this one?
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Jan 6, 2011
I recently started using SSRS 2010 and I didnt come across this issue in 2005 or 2008 versions of reporting services.
I have a report that drills down to child report1 and then that drills down to child report 2 but clicking a field in the report.
When I click on the link on the first report to go to the second report. I get this error message
"A data source instance has no tbeen supplied for the data source ''reprort2dataset"
I am not sure how to handle this error.
All reports run fine stand alone, but when I try to link them up I get that error.
I have a report viewer running the reports in an aspx page.
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Feb 11, 2010
I'm stumped after a few days of searching and trying to create a Data Source to Oracle for a report under Visual Studio 2005. I followed the guide at
[URL]
I am able to connect through the Server Explorer to our Oracle database using both .NET Framwork Data Provider for Oracle and Oracle Data Provider for .NET. I can execute queries on both of these and retrieve data.
The problems start when I try to create a data source under the Solution Explorer. I have created a Business Intelligence project on my local computer.
Data Source Wizard Select Create a data source based on an existing or new connection. Click New... Here the Provider is disabled and it appears defaulted to SqlClient Data Provider. All I can do is connect to a MSSQL server.
How can I connect to an Oracle database here?
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Jan 16, 2011
I can successfully run a sample report on the local computer. DataSource and Report are valid it renders perfect.
But when i move my DataSource and Report to Remote server which is hosted by a company, then i always receive following error!. It is really disgusting.
An error occurred during client rendering.
An error has occurred during report processing.
Cannot create a connection to data source 'DataSource1'.
For more information about this error navigate to the report server on the local server machine, or enable remote errors
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Nov 12, 2010
I have a reportViewer control and I dynamically setting the report path and dataset in the page load event if it is not a post back. This first report displays without issue. However, when I attempt to change the report path / dataset via the onChange event from a dropdown list I get the following error:
A data source instance has not been supplied for the data source "Summary_DataTable1".
This code works fine and the summary report is displayed the first time the page is loaded.
[code]....
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Oct 12, 2010
I'm working on a site where we want to include a pie chart on a page. Right now I'm working on implementing that through Reporting Services (RDLC file) with an object data source.The SelectMethod of my object data source is a method that returns a list of business objects; lets say a List<Alpha> and Alpha has a sub object Beta with a Name property. In my report definition I have set the Category groups to be: =Fields!Beta.Value.Name this means that Alpha.Beta.Name are my pie slices. I got the following error:
An error has occurred during report processing. The Group expression for the rouping 'chart1_CategoryGroup1' contains an error: Object variable or With block variable not set.I was able to confirm this is because Beta is nullable and was able to fix the issue by updating the object Alpha to return a new Beta() if the Beta property is null. This solution is not ideal though because there are other places in my code where I need Beta to be null if it doesn't have a value yet.Is there a way to update the report definition to accept a null property as valid? Ideally I would like to specify the value as "Not Set" if Beta is null.
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May 30, 2010
i have done the following
void Session_Start(object sender, EventArgs e)
{
// Code that runs when a new session is started [code]...
basically am using them to store user id and status, so that pages can be validated, by there use.i can stop person from accessing home directly wihtout signing is and so on.can session variable be hacked as they are stored in an external data source and are available to the full website?
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Jan 6, 2010
I am binding a treeview with XmlDataSource. On my login page I want to hide some node like
see my login code
if (Session["uname"] != null)
{
if ((Session["uname"]).ToString() != "")
{
if ((Session["UserType"]).ToString() == "Administrator")
{ dont hide nodes }
else { hide some nodes}
}
else
{
Response.Redirect("index.aspx");
Session["uname"] = "";
}
}
else
{
Response.Redirect("index.aspx");
Session["uname"] = "";
}
}
so how to do that, if you need my .aspx code for treeview so free to ask.
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Aug 4, 2010
Where and what am i missing?
this code produces some error:
DataSet ds = services.getOrdersReport(1, "", DateTime.Parse(System.DateTime.Now.Date.ToShortDateString()));
ReportDataSource datasource = new ReportDataSource("JMJ", ds.Tables[0]);
rv.LocalReport.DataSources.Clear();
rv.LocalReport.DataSources.Add(datasource);
rv.LocalReport.Refresh();
ERROR :
A data source instance has not been supplied for the data source 'dsOrders_tblOrdersReport'
'dsOrders_tblOrdersReport' -- name of the table designed in dataset.XSD
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May 14, 2010
I am getting the following error while i bind the dataset dynamically in reportviewer(Asp .net 4.0) . I have binded the dataset using stroedprocedure.
Error:A data source instance has not been supplied for the data source 'DataSet1'.
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May 9, 2010
We are using the ReportViewer control to display SSRS reports in our ASP.NET application. On pages where we use the ReportViewer control the session does not time out. The reason for this is the ReportViewer control emits a "setTimeOut" javascript function which reads the Session timeout value from the web.config and pings the server 1 minute before the configured value. For example, if the session timeout value is 5 minutes, the ReportViewer pings the server on the 4th minute. We used fidldler to verify this behavior. In aiddition, if we remove the ReportViewer control from the page, the sessions times out as expected.
We also tried using the ReportViewer control in a sample application and observed the same behaviour.
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Oct 11, 2010
I am getting "ASP.NET session has expired" error when viewing a (SQL server reporting services) report using report viewer control. sometimes it works fine and sometimes I get this error, it works fine in Dev, but not in test environment. Please let me know if you have any clues.here is the code for the report viewer control.
ReportViewer1.ServerReport.ReportServerUrl =
new Uri(System.Configuration.ConfigurationManager.AppSettings["ReportServerUrl"]);
ReportViewer1.ServerReport.ReportPath = System.Configuration.ConfigurationManager.AppSettings["ReportPath"];
ReportViewer1.ServerReport.SetParameters(new List<ReportParameter> { new ReportParameter("key", "value") });
ReportViewer1.DataBind();
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Jan 5, 2010
I don't know it happen just to me or Others have the same situation too . All the time when i bind a DataControl to an ObjectDataSource in "Configure Data Source" wizard of ObjectDataSource,when i set parameter source as "Control" in "ControlId" DropdownList there are TWO Item of every control in the WebForm , while it make sense be one.
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Nov 1, 2010
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asp.net open source Lead management system with source code.
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Apr 7, 2010
source of gridview details in page source.i am disabling and enabling in a server side and also i am using updatepanel too in the page.
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Oct 7, 2010
I want to be able to persist data across a session but do this outside of the built-in session state object. Why is a long story that I will not go into here. I just need to know where I can put data other than in the session object that will persist across the specific session.
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Sep 27, 2010
I have question is it possible to install Report Manager (IIS Service) on different server than Reporting Services is installed? I would like have IIS service (Report Manager) on one server and Reporting Services mechanism on the second one. Do you think this solution is possible?
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Mar 19, 2011
Is it possible to use mixed cookieless sessions with cookie sessions? I've an application that captured user details and then redirect for payment to an ssl page. I was wondering if this is possible? [URL] redirects to [URL] Note: the session Id in the latter url. So in essence, we use the standard cookie session for the majority of the application but when we transfer to an ssl page we pass the SessionId to the https url to pick up the session. I've tried this locally but it starts a new session.
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Jun 18, 2010
Basically I want to take the following:And make it match the styling of the rest of the application.I am creating a custom error page in my C# based project and I want it to be able to show the same information that is displayed in the ASP.NET default error page. From fiddling with reflector I can see that this is generated through HttpException.GetHtmlErrorMessage() but when I try to use this in my exception it returns null.
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Jul 31, 2013
My griedview code :-
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" RowStyle-BackColor="Black" Font-Names = "Arial" Font-Size = "10pt"
HeaderStyle-BackColor="Black" HeaderStyle-ForeColor="Black" ForeColor="Black" AllowPaging ="true"
OnPageIndexChanging = "OnPaging" PageSize = "5">
[Code] ....
Error is:- The data source does not support server-side data paging.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception
Details: System.NotSupportedException: The data source does not support server-side data paging.
Source Error:
Line 34: con.Open();
Line 35: GridView1.DataSource = cmd.ExecuteReader();
Line 36: GridView1.DataBind(); Line 37: con.Close();
Line 38: }
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Mar 30, 2011
This is my code and i am only able to edit the one data under the category school.But what i nd is to edit the other categories like the name,email...etc..how do i modify my code in the update command.Another thing is to delete the data how do i do that?
[Code]....
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Jun 1, 2010
I'm new to ASP.net 3.5 and trying to create a test site so I can figure out how to use it in the real world. I have created a FormView (Formview1) based on a Client table using Linq Data Sources. The page includes a DropDownList to lookup Clients. I have added a list option (<asp:ListOption value="" Text="(Select Client)" and set AppendDataBoundItems=true so my added option is displayed. I decided to try to use Formview with only the Edit and Insert Modes, and I have set the Default Mode = Insert. When you open the page, a blank Client record is displayed.
The Client record contains serveral lookup fields and they have drop down lists for each. When I select a client from the Client DropDownList, is get the following message 'ddlClientType' has a SelectedValue which is invalid because it does not exist in the list of items I had this problem before and decided the best way to handle this (in the interim) was to turn off foreign key constraints for each of the lookup fields (e.g. ClientType) in SQL Server. That worked for 2-3 days. Now the problem has started again.
When I develop in other applications, I would simply create a lookup data source based on a Union Query with the actual data and a blank record. How can you do this using Linq DataSources. Can you get access and modify the queries?
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Jan 1, 2011
I've been using the Item Inserted event for my data controls, such as details view. I'm wondering if there are advantages to doing this with the data sources instead of the data control. There is a lot of overlap in the events provided by these two types of controls. Are there advantages to using the events raised by the data source instead of the ones raised by the data control itself. Should I be using the events raised by the data source instead of the control used to enter the data?
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