I want to execute a SQL query inside EF [Code]....but I got an error
Exception Details: System.Data.SqlClient.SqlException: Incorrect syntax near 'orderby'.
I try running my query in the SQL Server, such as :
select * from Airplane A inner join Flight f
on A.ID = f.Airplane_ID where FromSrc = 1 and ToDest = 3
order by Price, Comfort, Timeliness, [Safety] desc
it works fine.
Suppose I have a user table that creates strong relationships (Enforce Foreign Key Constraint) with many additional tables. Such orders table ..If we try to delete a user with some orders then SqlException will arise.. How can I catch this exception and treat it properly?Is this strategy at all?1) first try the delete action if an exception Occur handel it?2) Or maybe before the delete action using code adapted to ensure that offspring records throughout the database and alert according to .. This piece of work So how to do it?
--Edit:The goal is not to delete the records from the db! the goal is to inform the user that this record has referencing records. do i need to let sql to execute the delete command and try to catch SqlException? And if so, how to detect that is REFERENCE constraint SqlException?Or - should I need to write some code that will detect if there are referencing records before the delete command. The last approach give me more but its a lot of pain to implement this kind of verification to each entity..
I use a dbml for my Data Access Layer to provide the data that i need in my app. When i connect from the server explorer everything seems fine. I choose to use my windows authentication and the connection test shows everything works just fine. When i Build my solution and run it on my IIS it says that i'm using a login that is not working.
View 3 RepliesWe are seeing the following timeout error being logged into our Event Viewer every now and then. We are using LINQ to connect to the SQL Server 2008 and the connection string is defined in the web.config file.One wierd thing I noticed is that the .NET framework is timing out trying to detect if this is SqlCe connection string. Why is it trying to waste time and then timing out when we have a SQL Server 2008 as the database?
What can I do to fix this problem?
Server: Windows 2008 R2 64-Bit
\IIS 7.5.7600.16385 Application Pool: Integrated Mode with 32-Bit Applications Enabled. Queue Length = 5000, Indentity = Network Service.Database Server: SQL Server 2008
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I have a straight forward SP that throws a divide by zero error like:
[Code]....
Note that even though I am calling RAISEERROR() its not getting returned back to my code if I use this try catch. When I remove the try catch like above it returns fine. I made sure that the severity level is >= 11 so it's not ignored. At this point I'm out of ideas because everything I can find published seems to say that this should work.
FYI my C# code is pretty straight forward I don't think it has anything to do with it as I have a wide open Exception catch and it's never getting called so I'm not posting it to keep this message brief.
I need to see an errorcode produced by a SqlException - however, I can't get one to fire. I use NHibernate and have a SQL UNIQUE CONSTRAINT setup on my table. When that constraint is violated, I need to catch the error code and produce a user-friendly message based off of that. Here is a sample of my try/catch:
using (var txn = NHibernateSession.Current.BeginTransaction()) {
try {
Session["Report"] = report;
_reportRepository.SaveOrUpdate(report);
txn.Commit();
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View 5 RepliesIf I use local SQL database, everything working fine, but when I change database link to Web SQL server this error pop out, and I have no idea. Anyone know what happen? My error as below:
Server Error in '/' Application.
Invalid object name '訂單'.
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.SqlClient.SqlException: Invalid object name '訂單'.
Source Error:
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Source File: D:hshomec300971poofun.comCheckOut.aspx.vb Line: 97 Stack Trace:
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cmd.Connection = con;
con.Open();
cmd.CommandText = "Update tiit.Enquiry Set Status='" + DropDownList4.SelectedValue + "', NextFollowup='" + TextBox8.Text + "', Remarks='" + TextBox9.Text + "', Name='" + TextBox1.Text + "', Email='" + TextBox2.Text + "', Phone='" + TextBox3.Text + "','','','','', City='" + TextBox4.Text + "', Country='" + TextBox5.Text + "', Course='" + TextBox6.Text + "', Comments='" + TextBox7.Text + "', Cost='" +TextBox14.Text+ "' where SN='" + HiddenField1.Value + "'";
int i = cmd.ExecuteNonQuery();
con.Close();
I did executed a db - contact form page successfully in the same project with the same connection string, but for this page its doing error and so I commented the binary file saving codes and all and put just simple 2 fields to see if the db is connecting and surprisingly getting sqlexception error and no data is written to the db. I am using sqlexpress 2005 and VS 2008. After this code I am listing the error I got.
Imports System.Data.SqlClient
Imports System.IO.FileInfo
Imports System.Data
Partial Class picture2
Inherits System.Web.UI.Page
Protected Sub upButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles upButton.Click
'' SOME CODES ARE HERE
Dim ctr As Integer = 0
Dim fleName As String
Dim fleLength As Integer
fleName = FileUpload1.FileName
fleLength = FileUpload1.PostedFile.ContentLength
Dim fleDatasource As New SqlDataSource
fleDatasource.ConnectionString = ConfigurationManager.ConnectionStrings("CandidatesConnectionString").ToString()
fleDatasource.InsertCommandType = SqlDataSourceCommandType.Text
fleDatasource.InsertCommand = "INSERT INTO Picture (picLength,picName) values (&picLength, &picName)"
fleDatasource.InsertParameters.Add("picLength", fleLength)
fleDatasource.InsertParameters.Add("picName", fleName)
fleDatasource.Insert()
----------------------- executed and now the prg returns to my code with the following sqlexception error box and while expanded I got this info ------------------------
message - Incorrect syntax near "&"
Line number 1
Errorcode -2146232060
in order to evaluate an indexed property, the property must be qualified and the arguments must be explicitly supplied by the user. fleDatasource.Insert() the prg stops in the code with the green highlight on the fleDatasource.Insert().
I'm having a spot of bother deploying my database to my host using the Publishing Wizard. I'm using the .sql file generated along with RunSQL.aspx as discussed in this blog by Scott Guthrie.
The issue I am having is that the permission is set to dbo but this seems to be causing an issue with the hosted database as in I get the following error when I run RunSQL.aspx.
An error occured: System.Data.SqlClient.SqlException: Cannot find the user 'dbo', because it does not exist or you do not have permission. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException
exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet
bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at ASP.runsql_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:~hosting details removed for security~RunSQL.aspx:line 88
Is there any way to make the Publishing Wizard set the owner to a particular username, i.e the username I use to access the hosted database.
I am getting this error message
System.Data.SqlClient.SqlException: Invalid object name 'Members'.
The database name is ACEStaff
I copied it accross from my old server to my new one
The table name in the database is Acestaffrm.members. Is the Acestaff prefix giving me this problem. I notice other table have dbo. prefix
I am useing sql and vwd.
i created the db on sql and used database explorer to connect it to vwd.
it keeps failing at step 5 (con.open())
i think i listed all relevant code, but if i missed something let me know and ill post it.
what am i missing.
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I am making a login page in asp.net. when am trying to fill the data into the database it can give the error..."Incorrect syntax near 'Password'." my code is
SqlConnection sqlConnection = new SqlConnection("Data Source = DELLVOSTRO; Initial Catalog = ALPHA; User Id= sa; Password= intransit");
string queryString = ("INSERT INTO LOGIN(User_Id, Password, Confirm Password, E_Mail, Security_Question, Security_Answer) VALUES ('" + CreateUserWizard1.UserName + "','" + CreateUserWizard1.Password + "','" + CreateUserWizard1.ConfirmPassword + "','"
+ CreateUserWizard1.RequireEmail + "','" + CreateUserWizard1.Question + "','" + CreateUserWizard1.Answer + "')");
sqlConnection.Open();
SqlCommand cmd = new SqlCommand(queryString, sqlConnection);
cmd.ExecuteNonQuery();
I get and error when I run a sub select statement. What is wrong with the statement?
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[Code]....
ERROR:
System.Data.SqlClient.SqlException: Only one expression can be specified in the select list when the subquery is not introduced with EXISTS.
When the Stored procedure is executed through SQL Server Management Studio, its taking 23 seconds,When the same Stored proc is called through web app, its throwing below copied exception. It is noticed that when the data is more than 100k records this exception is thrown other wise expected records are shown in UI. Another stored proc from the same app returns over 150k records without any excetpion. Can't conclude that the exception is in Stored proc, because it works from SQL Server Management studio, but throws below exception from Web app.
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I am facing the following problem when i try to add record in database. "System.Data.SqlClient.SqlException: A severe error occurred on the current command.The results, if any, should be discarded." This exception occurs occasionally, and the sql server log shows the following error whenever the above exception occurs:
Server,Unknown,A user request from the session with SPID 54 generated a fatal exception. SQL Server is terminating this session. Contact Product Support Services with the dump produced in the log directory.
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View 1 Repliesi am trying to create an insertion form in ASP.net.but i get this exception and i could not find this with google.
<div id = "survey_div">
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:surveyConnectionString1 %>"
DeleteCommand="DELETE FROM survey"
InsertCommand="INSERT INTO survey(age, country, city) VALUES (,,)"
SelectCommand="SELECT FROM survey" UpdateCommand="UPDATE survey SET">
</asp:SqlDataSource>
<asp:DetailsView ID="DetailsView1" runat="server" CellPadding="4"
DataSourceID="SqlDataSource1" EnableModelValidation="True" ForeColor="#333333"
GridLines="None" Height="50px" Width="125px">
<AlternatingRowStyle BackColor="White" />
<CommandRowStyle BackColor="#D1DDF1" Font-Bold="True" />
<EditRowStyle BackColor="#2461BF" />
<FieldHeaderStyle BackColor="#DEE8F5" Font-Bold="True" />
<Fields>
<asp:CommandField ShowInsertButton="True" />
</Fields>
<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<RowStyle BackColor="#EFF3FB" />
</asp:DetailsView>
</div>
When i fill my sql adapter daAuthors.Fill(dsPubs, "MYTable") sometime i get A first chance exception of type 'System.Data.SqlClient.SqlException' occurred in System.Data.dllmy code can run for a lot hours without any problems but sometime i get the message
View 1 RepliesHopefully I am posting this in the correct forum.
I am having a problem with my ASP.Net Web application. The application is developed using vb.net and is linked to a SQL Server database. Let me explain how the application works and the problem I am experiencing. The system is an online web app which allows registered users to create a CV online. One of the pages within the app gives users the chance to add a cover note to their CV. The page that allows them to do this consists of only a textarea control and a button control. The textarea allows users to input up to 4,000 characters.
Once the user clicks the 'Save' button to save their cover note info, the following code then executes.This code checks to see if the CV already has cover note info, if it does, then the application runs an update statement, otherwise, it runs an insert statement.The table within the database which records the cover note information is called tbl_covernote and has three columns, covernote_id (int and autoincrement), cv_id(int), covernote_text (nvarchar(max)).
The error which occurs sometimes is as follows:
Dim dr As SqlDataReader
Dim param(0) As SqlParameter
Finally [code]...
I've been stuck with this for days, and posted elsewhere online without success. If anyone can provide me with an answer to this problem I will arrange for beer to be sent to your chosen address....I have a DataTable containing multiple rows of data that I want to insert into a SQL 2005 table. The code works perfectly when the DataTable contains values that meet the SQL table schema design (e.g. all rows have a username, password, firstname & surname). However, when a value is missing or incorrectly entered (e.g. no firstname value), this causes a SqlException. I need to handle this in ASP.NET to provide a more user-friendly error message than what SQL gives, then rollback the whole transaction to cancel the transaction.The code attached is an imitation of how my data layer works. The error occurs on the
RollBack() method. The error is: 'Object reference not set to an instance of an object'Can anyone explain why this happens? The SqlCommand object seems okay when I debug (it exists), but the
Transaction object is lost as soon as the SqlException occurs. Although the transaction never commits when a SqlException is thrown, its a pretty ugly exit.My code design might be poor, in which I would welcome advice, but most important I need to figure out how to trap SqlExceptions without this error occuring, and Rollback as needed.The SqlException Numbers thrown are 2601 or 2627, both of which carry a severity level of
14, which is not high enough for the SqlCommand object to close the connection according to MSDN.The code looks lengthy but should be simple to follow...
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I have a website having an aunthentication system. When I am setting my website on IIS 6 the code is absolutly working fine. But when i configure the website on IIS 7 (Windows 2008 server) it is showing me the above error. I am using a stored procedure for it
View 3 RepliesIn code behind getting error: Code:
Dim mySqlSelect As String = "Select distinct GroupName from Vecellio.dbo.GroupsTable where GroupName like %" & prefixText & "% order by GroupName desc" Value of string: Select distinct GroupName from Vecellio.dbo.GroupsTable where GroupName like %A% order by GroupName desc
Error: System.Data.SqlClient.SqlException = {"Incorrect syntax near 'A'."}