after creating a xsd dataset in one machine when i try to use the another in a application in another system though i can use it for fetching records & all i am not able to confidure it or preview data.i already have the connectin string in web config.what changes needs to be done so that the dataset from system 1 can work in ssytem2
View 1 Repliesi have a page for search.and there is abutton when user click on it.result get in dataset.
[Code]....
i have repeater in itemtemplate of repeater i put table and there is lable that i want show hotelname on it.but it has error.my code is:
[Code]....
the error is:DataBinding: 'System.Char' does not contain a property with the name 'hotelname'.
I mean, what is the faster way to get as fast as I can more than one table with stored procedure? Is there any study what is faster and why? There is a big problem getting more than one table at once with Entities, so the only way is DataSet. But I was told DataSet work very slow. Is that true?
View 2 RepliesI was working with SSRS in windows application,when I got this error "Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints." I have made the property of Dataset(.xsd) EnforceConstrints to False and error gone. Whether it will impact anywhere in the application in the future or it wont have any impact.
View 1 RepliesI have a Listview control that DataBind programatically... ie I am NOT using SqlDataSource or such... I am attempting to sort a column... clicking on a link button that fires the "Sorting" event. So, after cliking on the column heading... I end up in this routine, where I hardcoded the .Sort = values (just for testing). The code is executed... but the RESULT show via Listview remains the SAME. No change!
How to fix this? I've seen some other posts examples that uses this event (ListView1_Sorting) and then sort via LINQ. I am not ready to try that...
Just want to know why dsPaymentList.Tables[0].DefaultView.Sort does not work?
I followed the example at: [URL]
protected void ListView1_Sorting(object sender, ListViewSortEventArgs e)
{
string sortExpression = e.SortExpression + " " + e.SortDirection;
DataSet dsPaymentList = new DataSet();
[Code]....
I have a stored procedure in my database that sorts a dataset by distance from the specific address input by the user. The distance is created among each individual users query and the sorting of distance occurs within my stored procedure, the distance is not returned in the output. Is there a way I can create a temporary column that returns the distance so that I can give the user an option to sort by distance?
View 9 RepliesI have built a site and worked fine for me, when I passed to a collegaue to deploy into another site he gets the message in subject.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
If Not getQueryString("post") = 0 Then
postID = Request.QueryString("post")
BlogAdmin1.Buttontext = "Edit Blog"
Dim MyCommand As SqlCommand
Dim myAdapter As SqlDataAdapter
Dim ds As DataSet = New DataSet
Dim myUpdateconnection As SqlConnection = New SqlConnection(System.Configuration.ConfigurationManager.AppSettings("conn"))
MyCommand = New SqlCommand("ADMIN_BLOG_SELECT_POSTBYID", myUpdateconnection)
MyCommand.CommandType = CommandType.StoredProcedure
MyCommand.Parameters.Add(New SqlParameter("@postID", SqlDbType.Int))
MyCommand.Parameters("@postID").Value = postID
MyCommand.Connection.Open()
Try
myAdapter = New SqlDataAdapter(MyCommand)
myAdapter.Fill(ds, "postData")
Catch exp As SqlException
Response.Write(exp.ToString())
End Try
If Not ds Is Nothing AndAlso Not ds.Tables(0) Is Nothing AndAlso ds.Tables(0).Rows.Count > 0 Then
BlogAdmin1.BlogTitle = nullToStr(ds.Tables(0)(0)("title"))
BlogAdmin1.BlogBody = nullToStr(ds.Tables(0)(0)("body"))
BlogAdmin1.BlogCategory = nullToInt(ds.Tables(0)(0)("category"))
End If
MyCommand.Connection.Close()
LoadData()
Else
Response.Redirect("/admin/blogs.aspx", False)
End If
End If
End Sub
It errors here
BlogAdmin1.BlogTitle = nullToStr(ds.Tables(0)(0)("title"))
I have a detailsview, template as follows:
[Code]....
Codebehind: creating dataset, getting data from sql with adaptor and filling into dataset object, then setting detailsview's datasource.
I add 2 button to above template to able to edit data at asp page, and added event handlers:buttons:
[Code]....
My question is, what to do inside the detailsview update event function to able to edit and update data. My method can be wrong too.
I'm a bit new to VB .NET programming. I was given a project to build a web page for our Shipping department to pull up some order & invoice numbers, based on an order number parameter.
Basically, what I'm trying to do is, when the user enters an order number, I want the web page to display the invoices & invoice dates that are associated with the order number.
I've put together some code already, but not sure it is actually working. The web page comes up in Debugging mode and it acts like it is pulling data from the Oracle database, but nothing shows up in the Gridview (which I bound to the dataset... I think).
[Code]....
Being new to VB, I'm guessing my code may not be totally correct. I've tried lots of things and done tons of searching on Google, but nothing I've tried seems to work. At this point, I'm not even sure if the dataset is being populated correctly or at all either. I'm a bit lost right now and could use some expert thoughts.
In case it helps, my dataset has one data table in it (dtShipData). My dataset class is sdDataSet. I added 3 columns to the data table and the gridview, manually. Not sure if should do that or not. I don't have any SQL behind the datatable itself...
I created a one Java script calender. Its working fine in ie6 but its not working in firefox. I'm new to this java script so kindly give your suggestion as soon as possible.
Page
Language="C#"
AutoEventWireup="true"
CodeFile="Default.aspx.cs"
Inherits="_Default" %>@
Register
Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
Namespace="System.Web.UI"
TagPrefix="asp" %>
DOCTYPE
html
PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN".......................
I have a DataSet that I have added to my project where I can Insert and Add records using the Add Query function in Visual Studio 2010, however I want to add transactions to this, I have found a few examples but cannot seem to find one that works with these.
I know I need to use the SQLClient.SQLTransaction Class somehow. I used the Add New Data Source Wizard and added the Tables/View/Functions I need, I just need an example using this process such as How to get the DataConnection my DataSet has used. Assuming all options have been set in the wizard and I am only using the pre-defined adapters and options asked for in this wizard, how to I add the Transaction logic to my Database.
For example I have a DataSet called ProductDataSet with the XSD created for this, I have then added my Stock table as a Datasource and Added an AddStock method with a wizard, this also if a new item calls an AddItem method, if either of these fails I want to rollback the AddItem and AddStock in this case.
So i am developing app according to official asp.net tutorials DAL Tutorial.So i created dataset connected to filebased sql database where are tables VIDEO, GENRE, LOAN! VIDEO has FK to GENRE and LOAN has FK to VIDEO! I tried to create method GetVideoByLoan with this sql command:
SELECT VIDEO.ID_VIDEO, VIDEO.TITLE, VIDEO.DIRECTOR, VIDEO.YEAR, GENRE.TITLE AS GENRE_TITLE
FROM VIDEO INNER JOIN
GENRE ON VIDEO.ID_GENRE = GENRE.ID_GENRE INNER JOIN
LOAN ON VIDEO.ID_VIDEO = LOAN.ID_VIDEO
WHERE (LOAN.USERID = @USERID OR @USERID = cast(cast(0 as binary) as uniqueidentifier) AND(LOAN.ISLOAN = @ISLOAN)
Everything is ok, no problem to return the results, but when i try this sql:
SELECT LOAN.ID_LOAN, LOAN.USERID, LOAN.ID_VIDEO, VIDEO.TITLE, VIDEO.DIRECTOR, VIDEO.YEAR, GENRE.TITLE AS GENRE_TITLE[code]...
i get error.Failed to enable constraints. One or more rows contain values violating non-null, unique,
or foreign-key constraints.
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.Data.ConstraintException: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.
If i run above sql command in query editor everything is fine, but when i try to access it through dataset the above error apperas, despite that first sql was working. I also tried to remove VIDEO DataTable from DataSet and drop it there from server explorer again but it not helped.
We have a Page Method on a web page using ASP .Net. We tried to put in a trace statement using both System.Diagnostics and System.Diagnostics.Debug. In Visual Studio 2008, the break point is not even hit for the line, but other break points on other lines are hit.There is no output from either method that we can see.
There is also a Global.asax error catcher that works fine in other cases, but in the Page Method is not being catched.why a Page Method and System.Diagnostics do not play well together?
I have built a dataset named Transaction_Time.I called it on Page_Load
Transaction_Time tranTme = new Transaction_Time();
put it in the session.
Session["Transaction"] = tranTme;
Then I call that session and cast to dataset.
DataSet dstTranTime = (DataSet)Session["Transaction"];
I got the following error.Unable to cast object of type 'Transaction_Time' to type 'System.Data.DataSet'.
[InvalidCastException: Unable to cast object of type 'Transaction_Time' to type 'System.Data.DataSet'.]
Transaction_Time.Page_Load(Object sender, EventArgs e) in c:InetpubwwwrootWilliam29_11_2010Transaction_Time.aspx.cs:47
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
It is OK for some other pages. But for some page, it doesn't.
Since I was not able to figure out my previous problem I decided to go ahead and make my own update statements and change the update command on a datasource I have. So I have a few textboxes and whatnot that allow you to change data and then click an update button. When I click that update button the page seems to refresh as if it was updating the record but the data in the boxes reverts back to what it was. I also created a ONUpdated sub and the label text change does not show.
View 4 RepliesI have bound data to text values of many textboxes using dataset as follows,
[Code]....
Now I want to provide a navigation system such as first, previous, next, last buttons as there are many rows returned from the query. I tried but could not succeed.
I've created some custom headers for my emails. I've used a breakpoint to see that they are being added to the collection correctly. I don't understand how to access these from the email that's generated though. I'm currently dropping the emails into a pickup directory on my local machine and viewing them with Windows Mail. I have "view all" headers checked in Windows mail but still don't see them when I open my emails in the pick up directory.
how to access the headers that I added? Below is an example of how I did it. I'm hoping to add things like name, address, phone... etc, and then have them visible in the email.
Is this even the correct use of custom headers?
[Code]....
I have been using LINQ to SQL for quite a while (about two years). Every thing was fine until now. As usual, I created LINQ to SQL classes and built the project, then created an aspx page. However, I cannot see the DataClassesDataContext in the code behind file. It is not listed in the intellisense list.
View 5 RepliesIn my project I work with Entity Framework (LINQ to ENTITY). I only have ADO.NET Entity Data Model and a DAL (Data Access Layer). I also get the data due a WCFClientService. I have a gridview that needed to be exported in Excel.
FlexCel is a tool for generating Excel files based on a template. The only thing I see in demo's is that they work with DataSets.
Is there a way to convert the data in my gridview to a virtual DataSet?
I've written the following method to get the data:
[Code]....
We have created an ASP.NET web app that upload files to WSS Doc Libary. The files get added under 'SYSTEM ACCOUNT' in the library. The FullTextSqlQuery class is used to search the document libary items. But it only searches files that has been uploaded by a windows user account like 'Administrator' and ignores the ones uploaded by 'SYSTEM ACCOUNT'. As a result the search results are empty even though we have the necessary data in the document library. What could be the reason for this?
The code is given below:
public static List GetListItemsFromFTSQuery(string searchText)
{
string docLibUrl = "http://localhost:6666/Articles%20Library/Forms/AllItems.aspx";
List items = new List();
DataTable retResults = new DataTable();
SPSecurity.RunWithElevatedPrivileges(delegate
{
using (SPSite site = new SPSite(docLibUrl))
{
SPWeb CRsite = site.OpenWeb();
SPList ContRep = CRsite.GetListFromUrl(docLibUrl);
FullTextSqlQuery fts = new FullTextSqlQuery(site);
fts.QueryText =
"SELECT Title,ContentType,Path FROM portal..scope() WHERE freetext('" +
searchText +
"') AND (CONTAINS(Path,'"" +
ContRep.RootFolder.ServerRelativeUrl + ""'))";
fts.ResultTypes = ResultType.RelevantResults;
fts.RowLimit = 300;
if (SPSecurity.AuthenticationMode != System.Web.Configuration.AuthenticationMode.Windows)
fts.AuthenticationType = QueryAuthenticationType.PluggableAuthenticatedQuery;
else
fts.AuthenticationType = QueryAuthenticationType.NtAuthenticatedQuery;
ResultTableCollection rtc = fts.Execute();
if (rtc.Count > 0)
{
using (
ResultTable relevantResults =
rtc[ResultType.RelevantResults])
retResults.Load(relevantResults, LoadOption.OverwriteChanges);
foreach (DataRow row in retResults.Rows)
{
if (!row["Path"].ToString().EndsWith(".aspx"))
//if (row["ContentType"].ToString() == "Item")
{
using (
SPSite lookupSite =
new SPSite(row["Path"].ToString()))
{
using (SPWeb web = lookupSite.OpenWeb())
{
SPFile file = web.GetFile(row["Path"].ToString());
items.Add(file.Item);
}
}
}
}
}
} //using ends here
});
return items;
}
What I am thinking is this? Is it possible for me to upload the data from an excel file to dataset of my application first, so that the user can view the data in a gridview to review it first, before the user strike the save button, to save it in the database. So, that in case there is a problem, the gridview will high light all the data with an error. So the user can easily pull out the excel and correct the data before saving it in the database.
View 4 RepliesI have a theoretical question.i have a function in DAL that does a select sql query. and these are my questions:
I was told that it's not appropriate to pass datasets between layers. so how should i pass the results? which value should i return to the BLLBAL (i thought of a List<>).? and to the presentation layer.
currently my implemention is like that:
SqlCommand cmd = new SqlCommand("getRequestById", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@requestId", rId));
SqlDataAdapter datAdp = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
datAdp.Fill(ds,"getRequestById");
List<String> rs = new List<string>();
for (int i=0; i<11; i++)
{
rs.Add((Convert.ToString(ds.Tables[0].Rows[0].ItemArray.GetValue(i))));
}
return (rs);
is it better to create xsd file in VS2010 with only fill (all other implemtation i'll do on my own) property.
I added New Item, DataSet, over that i added tableadapter with stored procedure. i declared that it will do only the fill property(without returning the data). i want to implement all the other properties by demand in my way.
i wrote in the dal test.getRequestById1DataTable dt1 = new test.getRequestById1DataTable() how can i get the data and pass it between the layers?
Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.TextBox'.
[code]....
in my web project i got an error that i couldnt find any solution. the error says: System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. when i work in local there were no problem i put files to our server and i changed the database also. when i work in server in web application in Default.aspx i can connect db and get values without any problem using my DataLibrary
BUT the problem in my web service i also use my DataLibrary in webservice but when i try to run a method in web service it gives me the error which is : System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
my new db connection is
strConnectionString = "Data Source=OURSERVERNAME\SQLEXPRESS;Initial Catalog=DoveTR;Persist Security Info=True;User ID=sa;Password=123456789;Pooling=True";
Basically, what I did is that: I have a table in SQL database and some of data fields allow null. I built Objectdatasource through dataset. When I built update page using dataset. It generate the following error before showing the update page correctly. It seems I have issue to retrieve the null value from the database through using objectdatasource through dataset. Any suggestions?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
View 6 Replies