No value given for one or more required parameters
I am trying to run the following method and keep getting the error "No value given for one or more required parameters". I've seen that if you have a field misspelled, that you can get this error, so I...
View Articledatatable rows count and dataview count differ
Hi, I found a strange problem with .Net datatable and dataview. I would appreciate if anybody caould explain it to me. I have a datatable that users update (adding, updating or deleting). The problem...
View ArticleRetrieve new row after calling ImportRow
Any idea why the ImportRow method of DataTable does not return the new row? Do I have to use Select to get the newly added row? Thank you. Kalvin
View Articleaccessing the ItemArray[] for a row in a dataset
I need some help. I'm beginning to think I'm a big idiot (keep those comments to yourself). I'm building a very simple data editing application. I fill a dataset on the form load event and tie some...
View ArticleAssociation missing in dbml generated classes
I have a SQL-2005 database with 50 tables that I map to C# code with a Linq-to-SQL dbml file. I have done it many times and it always work fine. But this time I was surprised to to find out that some...
View ArticleText files and Linq to Entities
Hi. I am reading a text file using Linq, but can't get Linq to generate an index for each read line. I am using this code: Dim txt = From line In File.ReadAllLines("c:\data.txt").Skip(1) Where...
View ArticleSecond fill in Ado.recordset does not fill table
Hi, I have an issue with filling datatables from ADO.Recordset. May be somebody had an experience or clue with this behavior, please, share your knowledge Problem is following: Ado.Recordset is opened...
View ArticleAdvanced SQL injection complete tool pack(tutorials,scanners,admin...
Hello everybody , since i started learning SQLi , i have collected lots of good tools ,tutorials and documents , m still collecting more and more day by day as my scope of knowledge is increasing . So...
View ArticleRe: Parameter size for NVARCHAR(MAX) data type?
Thank you this was very helpful. > On Monday, October 01, 2007 8:56 PM pedestrian via DotNetMonster.com wrote: > I have an ASP.NET 1.1 page to call a stored procedure in the SQL Server 2005. >...
View ArticleBuy false USA,Australian,Canadian,French,UK,Mexican,South African passports
Our team is a unique producer of quality fake documents. We offer only original high-quality fake passports, driver's licenses,ID cards, stamps and other products for following countries: USA,...
View Articledataset update
hi to all. i am try update the DB from dataset using adapter.update(). it's not working for multiple tables. now i need solution for that or how to copy some whole columns from one datset to another...
View ArticleVB.NET and lambda expressions
Hi. I am experimenting with Linq to entities and lambda expressions and have a doubt on the usage of the Select extension. I can select a single field based on a lambda expression, but could not find...
View ArticleHow to set the data type to read from a text file
I am reading a text file with many rows, the columns are separated with ";" . On one column, named "agent" I have diferent types of data, text and numbers. I am using the following code to read the...
View ArticleCan't add row to datagridview?
Hello, I'm trying to programmatically add a row to a SQL bound (via binding source) to a datagridview. The code is as follows: DataRowView drView = (DataRowView)stationBindingSource.AddNew();...
View Articlepopulating a TreeView control
Hello; VB.Net, .net 3.5, vs2008 I created a WPF app and I am trying to populate a treeview control with the local computers drives, folders and files. this is what I have so far: the treeview control...
View ArticleProblem with wrong data in dataset using SQLDataAdapter.fill
We are experiencing an intermittent problem with our ASP.NET application. When using the SQLDataAdapter to fill a dataset, the dataset is sometimes being filled with the wrong data. It appears to be...
View ArticleStrongly Typed DataSets and "Refresh the data table" Option
Hi, Using Visual Studio 2005 and SQL Server 2005: I am trying to understand the stored procedures that Strongly Typed Datasets wizard generates for me. When we create a new strongly typed Datasets, and...
View ArticleUsing SMO for SQL Server 2008 Express AND SQL Server 2005 Express
Hello, We have an application that uses SMO (SQL Server Management Objects) to interact with SQL Server. In the previous version of our product, we only supported connecting to SQL Server 2005 Express...
View Article[ANN]VTD-XML 2.10
VTD-XML 2.10 is now released in Java, C#, C and C++. It can be downloaded at https://sourceforge.net/projects/vtd-xml/files/vtd-xml/ximpleware_2.10/. This release includes a number of new features and...
View ArticleLINQ-to-SQL Previous values?
I have implemented a solution where I use LINQ-to-SQL to map all my objects to SQL database. Now I want to create an automated history log of the main objects. Objects are changed on several places in...
View ArticlePerformance and Memory Usage Consideration about DataTable and Dat
Hi, How do I free up the memory taken up by the .NET datatable and dataset after I finished working with them? How do I HELP the GC to do its job sooner to release memory taken up by DataTable/DataSet?...
View ArticleDoes aspnet_regsql.exe make any global changes?
I asked this in the security form, but didn't get a response... When I run aspnet_regsql.exe with no command line paremeters to get the GUI, does it do anything special to make the database I configure...
View ArticleUrgent requirement for Senior-Dot net developers @ Hyderabad
Hi Professionals Greetings for the day!!! We have immediate requirement for Senior Dot net developers for Hyderabad location Comp Name : confidential Location: Hyderabad Please find the below job...
View ArticleSet dataset element default value to empty string
I'm using vb.net 1.1 and VS2003. in the dataset designer I'm trying to set the default value of a dataset table column (actually its an attribute) to an empty string so I don't get dbnull error in my...
View ArticleHow to get SQL timestamp value using VB.NET
How do you get the actual value of a timestamp from a SQL Server 2000 database table using VB.Net? My recordset is returning a "System.Byte[]" Type. How can I convert it into something usable?
View ArticleRe: Column does not belong to table
Cori, You told there was no information on internet but this simple search on MSDN gives quiet a few pages of text with answers....
View ArticleDataSet Limitation?
I have a SQL table that has a column defined as Sql Data Type decimal(38,15). In case you are wondering, the precision and scope are that large because it contains 'scientific' numbers which require a...
View ArticleSELECT with GROUP BY Joined to Subquery
I am using VS 2005 (no LINQ) and have been trying to figure out how to put these two queries together. Basically, I have one SELECT statement that gets the Max workdate by EmpID, and I want to join...
View ArticleODP.NET Dispose bug
My app running under iis was experiencing crashes when I started using ODP.NET 9.2.0.4.01, with the Oracle client 9.2.0.1.0 to replace legacy ADO calls. (I also tried with the new 10 client and ODP.NET...
View ArticledataSet GetXML
the GetXML method of the DataSet returns date fields in the format: 2005-10-09T15:13:00.0000000+02:00 can this be changed? TIA!!!
View ArticleWanted: Good LINQ tutorial
I'm trying to follow the tutorial at http://dotnetslackers.com/articles/csharp/IntroducingLINQ2.aspx. However the link to download March CTP Visual Studio Orcas does not work and I don't understand...
View ArticleOracle REF Cursors and OracleDataAdapter - data not populating
Hello All, I have a simple stored procedure that returns a REF CURSOR. The query retrieves 190 rows from the database (see query below). Following the example laid out in the web page...
View ArticleHelp! DataSet.Merge causing duplicates
Hello; I've got a problem where DataSet.Merge is causing duplicate records, and then throwing a constraint failure exception because of duplicate primary keys. I've seen a similary problem discussed...
View ArticleNew Job Req : .Net Solution Architect– Woodbridge, NJ – Full Time Position -...
Hi, Good day. We are looking for .Net Solution Architect– Woodbridge, NJ – Full Time Position Only US Citizen and Green Card holders Project Details: This requirement is not specific for a project,...
View ArticleEnumerating SqlDataReader column name
Hi, How can I have column names of a SqlDataReader ? Thanks, Ali
View ArticleDataSet transfer data from one database to another
I am attempting to select data from Database A into Database B (both Access Databases) by placing the selected data into a Dataset and then inserting it into the 2nd DB. I can select the data, fill the...
View ArticleDataReader Limits data returned!
I have a stored procedure that returns xml data (using For XML), it returns about 9000 records. I use a datareader to write the data to a XML file. For some reason, the datareader doesn't write all...
View ArticleSQLDataAdapter.Fill fails after call to SQLDataAdapter.FillSchema
Hullo: I pass a new datatable to SQLDataAdapter.FillSchema, specifying that it use SchemaType.Mapped. The particular select command, hits a table that has only one integer field, the first, which is an...
View ArticleExecuteOracleScalar error??
Hi: When I run this project,I miss a error: it's say: convert is falied! I don't konw why. Please advice. Thanks!!! This is my codes:...
View ArticleConnectionString without DSN not working
HELLO! I have been using MYSqlConnection .NET strings in my web,config and my application is working fin. However due to requirements, I am forced to change the connection string to not use DSN and I...
View ArticleError while connecting remote SQL server
hi all, I trying to connect remote sql server from my machine. but it giving me some errors Here are few errors listed, An error has occurred while establishing a connection to the server. When...
View ArticleMobile Application Design & Development in New York
application design, development and strategy. Mobile Application Design andDevelopment Company, Web Design Company New York. doodleblue is known for its design heavy outlook on building scalable...
View ArticleDTS WIZARD alternatives?
I need a freeware software to convert from Excel file to the popular db formats (SQL server is the most important to me at the moment). Visual studio and it's sql server, came with a tool named...
View Articleimport large text file
hi there, i have a huge large text file (350.000 lines) that i want to import to a MS Acccess Database, of course i don't want to use Access, but do it with C#. i already have tried the AddRow method...
View ArticleDataRowView Cannot Set 'Column' exception
I'm using a DataRowView that I create via a BindingContext from a DataGrid. The problem is that sometimes I get an exception that says Cannot Set 'column name'. I'm wondering if anyone is familiar with...
View ArticleUnable to debug SQL from within the .NET IDE
Hi All When I try to step into a stored procedure in the Northwind database, in MSDE installed locally, using the .NET IDE, I get the error message: "cannot debug stored procedures because the SQL...
View ArticleDataColumn.Expression IsNull
Need to return a calculated column in a dataset that indicates whether another column contains a dbnull value. Note this data does not come from any sort of datasource in which I could perform such a...
View ArticleDataTable.ImportRow bug (no exception)
the following code demonstrates that DataTable.ImportRow will silently fail if the row beign imported is detatched. As this has caused me a small amount of pain I thought I'd mention it. I my view if...
View ArticleMoving entities between contexts in EF 3.5
I've got a scenario in which I want to move a bunch of object graphs between contexts. Specifically, I'm trying to import the contents of one database into another. The there is a context...
View ArticleOracle character conversion (of non ASCII values?) with DataAdapter
Hi all, I get strange character conversions when fetching CLOB fields in Oracle 8i. When looking at the data in the database with TOAD the characters seem to be correctly stored. The character ''' when...
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