DataSource Controls :: Get The Error When Add Review In Code?
Feb 9, 2010
I am using the SQLDataReader to execute a Stored Procedure that accepts two parameters (BuildingTID and Department) to return the appropritae Value in my case The Director of the Department. My problem is I get the following error when I run the code that I added below for review. Let me also add that the user is selecting the values that I am using for the stored procedure from 2 DropDownLists. I am getting it when I try to assign the value that is in the Department DropDown
list to the first parameter.
Dim myParm As SqlParameter = getDirectorsCMD.Parameters.Add("@BuildingTID", SqlDbType.Int, 15).Value = (ddlDepartment.SelectedValue)
Also obviously there are more issues with my code than just the error because the datareader records property is false meaning I am not returning a row
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Jan 21, 2010
I have time card data collected onto an AS400, and have an establed TimeReview.aspx which allows the user to review Time In/Out, etc. I have a request to add some way for managers to review the time and add corrections. I cannot edit direct or add fields to the time table in the AS400. I do, however, have a SQL Server that I could use to collect this information, but I'm not sure of the best way to go about it.
Here's an example of what the table should look like, with the added fields on the right. "X" (Revise) would be a checkbok indicating that this line should be revised. An administrative staff member would pull up the report the next day and manuall edit the time within the AS400.
-- From AS400 table -- -- SQL table --
Time Card info - Empl ID | WO | Date In | Time In | Date Out | Time Out | ---- X (Revise) | Corrected Time In | Correct Time Out
My thought is use an Empl ID field in the SQL table and bind it to the AS400 Empl ID field (not sure how).
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Jun 6, 2010
Error:
Executed as user: MACSTEELUSA.COMsa. ...9.00.3042.00 for 32-bit Copyright (C) Microsoft Corp 1984-2005. All rights reserved. Started: 8:00:17 PM Error: 2010-06-02 20:00:18.56 Code: 0xC0202009 Source: CRM_ORACLE_ARSUMMARY Connection manager "SourceConnectionOLEDB" Description: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft OLE DB Provider for Oracle" Hresult: 0x80004005 Description: "Oracle client
and networking components were not found. These components are supplied by Oracle Corporation and are part of the Oracle Version 7.3.3 or later client software installation. Provider is unable to function until these components are installed.". End Error Error: 2010-06-02 20:00:18.58 Code: 0xC020801C Source: Data Flow Task Source - Query [1] Description: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AcquireCon... The package execution fa... The step failed.
Tasks Taken:Went to this folder checked for tnsnames.ora file but it is in good shape.
C:ORACLEproduct11.2.0client_1
etworkadmin
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Jun 29, 2010
I wanted to get a code review of my methods for creating a simple list/gallery display in ASP.NET. I am looking for specific ideas on how I might approach this same task differently. My goals are simplicity, rapid development, and ease-of-use.
The task: Create a simple image list view (gallery) for a folder in ASP.NET web forms.
How I Did It: I created the image controls on the fly and add them to a placeholder template. I added line breaks using literals controls too. Finally, I add a query string to the page for the "paging".
What other ways would one recommend to do this? I had considered to use a grid or listview. My goal was to do this really quickly.
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May 7, 2010
I'm doing a bulk insert to a sql server and when I do so, the SQL server connection string I have is logged in as admin, but when I press the "submit" button I'm getting this error. The file that I'm trying to open is in a folder with admin read/write access and as I said the SQL connection string is for the admin account. Anyone have any idea what causes this?
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Apr 9, 2010
I can't find my syntax error. Here is my code behind:
[Code]....
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Feb 2, 2010
Background: I use SQL server 2005 developer edition and visual studio 2008. Visual studio 2008 is running on a local machine with Vista business edition. SQL server is running on a remote server using Windows server 2003. Both computers are within the same domain.
Problem: First, I used the server explorer to connect to the SQL server. Everything works as desired. Then I write code to do the same thing. I keep getting the following error message:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 25 - Connection string is not valid)
However, I used the exactly identical connection string as the one used in the server explorer. So connection string should not be the problem. In addition, I tried the test code in MSDN, which tells whether my domainusername can flow the network. It turns out the user name is fine. I also went to the SQL server management studio and found the login for my computer is NVCWeihao while my computer login name is NVCweihao. I am wondering if this uppercase letter really affects the connection.
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Jan 16, 2010
I downloaded a sample Rolodex from here: [URL] the file to download is at the bottom of the page and it is called 'RolodexDatalist.zip (6.71 kb)' So I changed the HTML to it points to my SQL Server DB. I changed the ConnectionString to this:
<connectionStrings>
<add name="CustomersConnectionString" connectionString="Data Source=EXCEL-4J2W8KYNPSQLEXPRESS;Initial Catalog=Customers;Integrated Security=True"
providerName="System.Data.SqlClient" />
</connectionStrings>
Now, everything points to my DB! I thought, ok great, this should be pretty easy. However, when I debug, I get this error message: 'Null reference was unhandled by user code. Object reference not set to instance of an object. Troubleshooting Tips: use the "new" keyword to set an instance of an object.' This line is yellow:
Dim conStr As String = ConfigurationManager _
.ConnectionStrings("conStr").ConnectionString
Here is the code-behind:
Imports System.Data
Imports System.Data.SqlClient
Imports System.Collections.Generic
Partial Class VB
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
If Not IsPostBack Then
ViewState("CurrentAlphabet") = "ALL"
Me.GenerateAlphabets()
Me.BindDataList()
End If
End Sub
Private Sub BindDataList()
Dim conStr As String = ConfigurationManager _
.ConnectionStrings("conStr").ConnectionString
Dim con As New SqlConnection(conStr)
Dim cmd As New SqlCommand("spx_GetContacts")
cmd.Connection = con
cmd.CommandType = CommandType.StoredProcedure
cmd.Parameters.AddWithValue("@Alphabet", ViewState("CurrentAlphabet"))
con.Open()
dlContacts.DataSource = cmd.ExecuteReader()
dlContacts.DataBind()
con.Close()
If ViewState("CurrentAlphabet").ToString().Equals("ALL") Then
lblView.Text = "all Contacts."
Else
lblView.Text = "Contacts whose name starts with " & _
ViewState("CurrentAlphabet").ToString()
End If
End Sub
Private Sub GenerateAlphabets()
Dim alphabets As New List(Of Alphabet)()
Dim alphabet As New Alphabet()
alphabet.Value = "ALL"
alphabet.isNotSelected = Not alphabet.Value _
.Equals(ViewState("CurrentAlphabet"))
alphabets.Add(alphabet)
For i As Integer = 65 To 90
alphabet = New Alphabet()
alphabet.Value = [Char].ConvertFromUtf32(i)
alphabet.isNotSelected = Not alphabet.Value _
.Equals(ViewState("CurrentAlphabet"))
alphabets.Add(alphabet)
Next
rptAlphabets.DataSource = alphabets
rptAlphabets.DataBind()
End Sub
Protected Sub Alphabet_Click(ByVal sender As Object, ByVal e As EventArgs)
Dim lnkAlphabet As LinkButton = DirectCast(sender, LinkButton)
ViewState("CurrentAlphabet") = lnkAlphabet.Text
Me.GenerateAlphabets()
Me.BindDataList()
End Sub
End Class
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Apr 16, 2010
Can the select command of a SqlDataSource be given by code in the code behind file. Also by calling the SqlDataSource.Select can the select statement be executed?
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Dec 3, 2010
I want to bind an ObjectDataSource to a property in my asp page and I want to do it in the page's aspx code, not in code-behind. I've already done it in code-behind, as follows:
[Code]....
I'd prefer to get rid of the ugly code-behind and just do this in mark-up. Something like
[Code]....
This gives me a run-time error: Cannot create an object of type 'System.Object' from its string representation 'SelectedBook' for the 'DataSource' property.Is there a way of doing this declaratively and not in code-behind? Further, what if what I want is to actually use a child property of the property in question? For example, if my Book object has a ReaderComments collection, can I databind to it decaratively in the aspx mark-up?
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Mar 25, 2010
I need to pass the control parameter to Sql Datasource in code behind,
<asp:ControlParameter ControlID="DDL_RType" Name="rtype" PropertyName="SelectedValue"
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Jul 21, 2010
I need display navigation in my website with ASP.NET 4 components. Navigation use XmlSiteMapProvider and file hierarchy as XML file. Because my website is a CMS I am looking for a solution able to store hierarchy in DataBase or in some sort of Business Logic. I found out SQL Site Map Provider, which seems a workaround to store hierarchy in SQL. [URL]
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Apr 15, 2010
im working with visualstudio 2005 and sql server 2005 c#,and i tried to insert an items to the sql but it gave me this error
Application server error '/ WebSite6'.
The INSERT statement conflicted with the FOREIGN KEY constraint "FK_StudentToCourse_Students".The conflict occurred in database "TopseaUser", table "dbo.Students", column 'id'.
The statement has been terminated.Description: The exception is unhandled occurred during the implementation of the current web request. the stack trace for more information about the error and where the source code.
Details exception: System.Data.SqlClient.SqlException: The INSERT statement conflicted with the FOREIGN KEY constraint "FK_StudentToCourse_Students". The conflict occurred in database "TopseaUser", table "dbo.Students", column 'id'.The statement has been terminated.
This error: Line 243: sql_comm.Parameters.AddWithValue ("@ studentId", Convert.ToInt32 (id));
Line 244: sql_comm.Parameters.AddWithValue ("@ CourseId", Convert.ToInt32 (ListBox3.Items [j]. Text.ToString
()));
Line 245: sql_comm.ExecuteNonQuery ();
Line 246: split_listbox2 ();
Line 247: sql_conn.Close ();
Source File: c: Documents and Settings Ronen My Documents Visual Studio 2005 WebSites WebSite6 SiteMembers CourseSignUp.aspx.cs line: 245
this it the code :[Code].... !
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Mar 24, 2010
I have written some vb code that inserts whatever has been written on my page into an Access database. Only problem is VWD throws up an error saying that the syntax of my SQL statement is wrong. I am 95% sure that this statement is correct because when I saw the statement in Text Visualizer and tried that statement in MYSQL the data went in perfectly.
I have pasted the code below:
strSQL = "INSERT INTO User (UserID, FirstName, LastName, Password) VALUES "
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Mar 15, 2010
Is this piece of code where I lock a part of the function correct? Or can it have use drawbacks when multiple sessions ask concurrently for the same Exam? Purpose is that client that first asks for the Exam will assemble it, all next clients will get the cached version.
public Exam GetExamByExamDto(ExamDTO examDto, int languageId)
{
Log.Warn("GetExamByExamDto");
lock (LockString)
{
if (!ContainsExam(examDto.id, languageId))
{
Log.Warn("Assembling ExamDto");
var examAssembler = new ExamAssembler();
var exam = examAssembler.createExam(examDto);
if (AddToCache(exam))
{
_examDictionary.Add(examDto.id + "_" + languageId, exam);
}
Log.Warn("Returning non cached ExamDto");
return exam;
}
}
Log.Warn("Returning cached ExamDto");
return _examDictionary[examDto.id + "_" + languageId];
}
I have a feeling that this isn't the way to do it.
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Dec 29, 2010
I work on a intranet site of management review,to insert the markes I have files for each module.I want only the
professor of module has the rightaccess to his file.How ?
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Apr 22, 2010
Following is the error I am getting while accessing some of the pages on my website.
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections.
(provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
It is trowing an exception and giving the about mentioned error.
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Feb 28, 2010
i get error A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: TCP Provider, error: 0 - No connection could be made because the target machine actively refused it.)
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Jun 19, 2010
I have a website which displays news information. It displays the titles at the default (home) page and when click it shows the full story.
I use object datasource to load the news titles.
Now, sometimes the database server lose its connection or changes to the database and it affects the whole website because error is reported at the Application level. I would like the Home page to still show but the section where the news titles usually appears will now show an error message that the database is down (Refer below my part of my code).
How can I achieve that?? I tried to do that at the page_error level but it displays nothing. I don't want to pass the error to application level, I want to handle at datasource load/binding level so that it display this error message at the news section and other home website information can still be shown.
[Code]....
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Oct 20, 2010
I can place an Excel file in the root directory, use Browse and view an xlsx, xlsm or any other Excel file and it (sometimes) pops up in a browser window with no option to save or do anything other than view the Excel document (you can type in the cells and it gives you the option to save if there are any changes). I'm trying to find out how to do that exact thing client-side.
We have a server that allows a client to upload an Excel file and we want them to be able to review it only. If there is a way to bypass the Open message box that pops, that would be ideal, but just getting it to display in a separate, small browser window would be just what the doctor ordered. The Excel files are varied so the content is always different and not necessarily formatted the same. That removes the ability to go with named ranges and definitions.
Currently with the code we have, users can press a view button to review the file they uploaded for errors but it opens up the full version of Excel and then throws errors because it tries to force a save to a temp file. Not exactly ideal and very confusing to the user. I don't habve the exact code available to me at the moment, but I'm hoping that someone can point me in the right direction.
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Jul 29, 2010
I'm constructing a new cms with the option to create reviews and articles (blog items). Now if the user wants to write a review he/ she will want to add a lot of images in the text. Now my question to you is , what would be the best option to include those images (with keeping in mind that a CDN can be used later). I was thinking of the following methods:
Break an article in multiple blocks, each block can then include a picture and text. Just add the picture in the text via WYSIWYG editor (easiest option but not so versatile) Upload images separately and include them via tags in article text. Like Title{img_1}Content
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Sep 23, 2010
I am looking for a means by which ASP.NET can create an Outlook MailItem and stream it to the client machine for the user to review prior to sending. I know that its possible to create files such as Word docs and Excel spreadsheets an then stream them, but I don't know how to do it with ASP.NET.
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Sep 19, 2013
How to get details of our website in google search on right side pannal..For Eg..If you search for aspsnippet .com in google search you will get the desc of your website on the right side panal with in a square box
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Dec 12, 2010
I am trying to create a comments page for users to review and comment on an article. I have 2 buttons on each comments posted by users; "Like" and "Don't Like". I am stuck with how to track which user voted already for a given comment. I am thinking of two options and would like to know if they are they way to go or is there a better solution.
Option 1: I have created a table in my database with stores, the comment id, the userid of the user who rated it and the value "like" or "don't like". So each time I have to query my table to find out if this user indeed vote for a given comment. The table unfortunately grows exponentially!!
Option 2: I store the commentid, userid, and "like" or "don't like" value in a cookie on the client's machine. I read the cookie and find out if the user has already voted on a comment. This is proving to be VERY quirky with cookie expiration, growing cookie size and also multiple users on the same machine.
In either way, my test case of ~1500 users, and 2 Million comments, this is getting to be HEAVY on both methods. Is there anything better?
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May 10, 2010
I used visual studio 2008 and sql server 2005(for database) in my website project. After finishing my project i used publish to web option and got the files into an folder. I have installed .NET framework ,IIS, i have also set the remote connection ,firewall setting etc. But when i run i.e., In the IIS manager when i click browse it gives me the following error. Can anyone pls tell me what went wrong in this. My code works fine when run on visual studio 2008. Server Error in '/EBUSINESS' Application.
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