Epson Receipt Printer prints very slow (POS for .NET)
Information you need:.Net Framework 4.0VS 2010 , C#Microsoft.PointOfService.dll Ver POS for .Net 1.12Epson TM-T20 Thermal Printer (USB port)Everything is good and works fine, there is no problem with...
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View ArticleFinal Assesment?
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; //any file handling or IO needs this namespace using System.IO; namespace assingment2...
View ArticleUpdating a table on Oracle DB considering changes on a grid in C#
I'm filling a Data Grid in C# (WinForms) via a System.Data.DataTable. DataTable is filled from a DB table via ODP. I have a data navigator in Data Grid for updating, deleting and inserting rows. I...
View ArticleWin32 Job Object fails to run large amount of processes.
Hi,I am using Job objects on windows server 2008 R2 within a .NET 4.0 windows service application.The job created in the following way:_hJob = CreateJobObject(IntPtr.Zero, jobName); if (_hJob ==...
View ArticleAuto Serial Number Problem
I have 5 field:SNo Month Qty Rate Total My problem is that when i delete record 2 from database and datagridview SNo field not come in order. Serial number field come like bellow...
View ArticleGenerate a Large Text File
Can someone please help out with a code snippet to generate a 1GB text file? It can be either an efficient way or a dirty way or both. I need this for testing my app. Contents can be anything, although...
View ArticleOracleClient provider is deprecated in version 4.0
what its mean? will I be able to use oracle or not with future releases? keep in mind that the OracleClientprovider is deprecated in version 4.0 of the .NET Framework, and support for this provider is...
View ArticleSet a AD User's Primary Group using System.DirectoryServices.AccountManagement
Hello, I'm trying to use the System.DirectoryServices.AccountManagement namespace to set an AD User's primary group. Does anyone know of a way to do this? Thanks
View ArticleBug: System.Configuration.Configuration (and/or...
Having tried multiple workarounds to no avail and having received no input on the forums, I am reporting this as a bug. The issue can be stated thus: Programmatically adding a nested...
View ArticleStaticFileHandler and OutOfMemoryException when used with a custom...
I found that the use of the StaticFileHandler together with a custom VirtualPathProvider will cause an OutOfMemoryException when the file to be provided is too big, because it does not use the...
View ArticleUpdate without Primary Key
I have 5 column in database and datagridivewDate, InvoiceNo, Description, Rate, TotalI wanna update record and i dont have any primary key. My coding is below for update record. Private Sub...
View ArticleHow lock is able to synchronize multiple threads?
Hi,I read article "http://msdn.microsoft.com/en-us/magazine/cc163791.aspx#S6", don't know if it is still good for current CLR. However I was not sure how exactly sync block helps in synchronization....
View ArticleRendering large columns in HTML table takes long time
I use HTML table to bind 1500 columns, it take very long time to render in IE 9.What will be the best approach to bind large html table columns? so that rendering the page becomes faster.
View ArticleWhere does the Enterprise Library 6 Configuration Belong?
I am new to the Enterprise Library and the .NET world in general. I read in the Developer's Guide for Enterprise Library 6 that the preferred method of configuration for things like the Logging...
View ArticleMEF in a windows service
I am looking for an example of how to properly create and use the MEF catalogs within a windows service. My service gathers data and stores it internally and then uses modules to output the data to...
View ArticleMEF Export instances of an object. Is it possible?
I have a class that parses an XML file. It will create a List of objects as a result of that file. I am looking to have that list exported or added to the container so other classes can do an...
View ArticleLarge decimal value in Sql Table causes ADO.NET - overflow exception
I have a large decimal value in sql db table. When i try to read the data from the Sql Client provider, using data reader or Data Set i get a overflow exception.Could you tell me how to retrieve the...
View Articlewrite in current position
Hi,I am developing a virtual keyboard form with all keys on it and a TextBox to write the resultI am using text_position to store the current position in order to write on itfor example if the user...
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