I am a versatile, hands-on developer with 2 years’ experience working on a variety of projects. I am conversant in a wide range of technologies - most notably .NET and SQL - and follow the latest industry trends with great interest.
- Interests
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65 Posted Topics
 | Greetings, I have an error when start debugging an application "Retrieving the COM class factory for component with CLSID {00853A19-BD51-419B-9269-2DABE57EB61F} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))." I'm using a DLL "Interop.zkemkeeper.dll" in my application it was working fine on windows 7 …  |
| | Greetings My question is about working with the Entity Framework. Lets say I am having an Entity data model and I am having a dbconext instance what is the difference between `dbcontext.EntityName.ExtensionMethodName(lambda expression)` and `dbcontext.EntityName.**Local**.ExtensionMethodName(lambda expression)`  |
| | Tell me your requirements I can help you I know some about client/server apps. |
| | Could you please upload the .rpt file |
| | What is the best way for blocking DLL for not publishing the code inside the library?  |
| | Hello I had put a question before about the editions of Java and the difference between them and the reason for my question is that I want to work through an android project and I think that before beginning in the project I must know how to write code in …  |
| | Greetings, I am new in Java programming language and I know that there are four platforms of the Java programming language Java Platform, Standard Edition (Java SE) Java Platform, Enterprise Edition (Java EE) Java Platform, Micro Edition (Java ME) JavaFX I already read about the four platforms through the below … |
| | Greetings, I'm creating a barcode application and when I google to know about barcode I found something that I did not understand and it is the odd left, even left and right digits for example the EAN-13 barcode includes the following OddLeft = new String[] { "0001101", "0011001", "0010011", "0111101", … |
| | Greetings I want to to tell you something about your Query performance try as much as possible not to use function COUNT() and use EXISTS instead Replace your Query with IF EXISTS (SELECT * FROM TABLE_NAME WHERE COLUMN_NAME = Value_Specified AND COLUMN_NAME = Value_Specified) SELECT 1 AS Found_Result ELSE SELECT … |
| | Greetings, I'm facing a problem with the SQL Server and this problem concerning numbers when compared each other and these numbers are stored in the columns of data type NVARCHAR or VARCHAR. For example, if I'm having a column with data type NVARCHAR and it contains such values: 1 2 …  |
| | Greetings I'm using InstallShield for deploying projects and I'm new in using it I need to know how to include some applications and executable files to be installed while installing my application what I mean is that I need to include for example the .NET framework 4.0 so if it …  |
| | Greetings, I'm using InstallShield 2010 premier and I want to hide the SQL login dialog if the specified database is exists. Or hide the Dialog under some conditions I google for hours and indeed I cannot find a useful information especially I'm not an InstallShield expert  |
| | Greetings I want to optimize a SQL Query. The problem I have a database full of such Queries and I need help for optimizing those Queries the problem with the Query is that it contains dozens of CASE blocks and within those CASE blocks there are calculations the Query results …  |
| | I need to setup SQL Server Express using the command line and also make the installation unattended I tried many command lines however each one of them did not work here is the last one: Setup.exe /ADDCURRENTUSERASSQLADMIN="True" /AGTSVCACCOUNT="NT AUTHORITY\NETWORK SERVIC" /AGTSVCSTARTUPTYPE="Disabled" /ASBACKUPDIR="Backup" /ASCOLLATION="Latin1_General_CI_AS" /ASCONFIGDIR="Config" /ASDATADIR="Data" /ASLOGDIR="Log" /ASPROVIDERMSOLAP="1" /ASSVCSTARTUPTYPE="Automatic" /ASTEMPDIR="Temp" /BROWSERSVCSTARTUPTYPE="Disabled" … |
| | Greetings, I'm using a crystal report and using it to make a sales report and I want to sort the reports displayed based on the date of the sales order what I should do I create a parameter field and its type is Boolean what else I should do what … |
| | Greetings, I'm using InstallShield 2010 premier. I need to include another .msi application within the project I'm creating and I do not know how to do this I did googling and I did not find any useful article about this. If any one can help me I'm searching for 3 … |
| | I'm using InstallShiled 2010 to deploy my application in the prerequisites I added the SQLEXPR_x86_ENU.exe file the SQLEXPR_x64_ENU.exe file I need to choose which one is selected for setup based on the operating system version 32bit or 64 bit could any one tell me how to do this Another question … |
| | Greetings, I'm trying to setup the SQL Server 2008 Express Edition using a command line Setup.exe /QUIET="False"/QUIETSIMPLE="True" But I always got a message saying that QUIET expects a Boolean value and what I'm passing to it is a Boolean value do any one knows what I'm missing |
| | I'm working on an application for a joint-stock company. A joint-stock company is a business entity which is owned by shareholders. Each shareholder owns the portion of the company in proportion to his or her ownership of the company's shares (certificates of ownership). This allows for the unequal ownership of …  |
| | Re: dotnet Could you please tell me exactly what you want and the deadline where you want this program  |
| | How to get the connection string? I'm developing an application and connecting to a database so I can get the connection string and know it during development pahase and therefore I can set it to the ConnectionString property of my connection object. However, when I deploy this application on a …  |
| | Greetings I need to make a custom report designer in my application. I mean by a custom report designer is that having a Form within my application the client can use it to design his own reports and save it. Can any one help with articles on how to do … |
| | You are writing parameters as I saw in the code above in an incorrect syntax. You wrote: cmd.Parameters.AddWithValue(@"CheckID", txtID.Text); You are writing the @ symbol outside the double quote while you have to put them within the double quote like this cmd.Parameters.AddWithValue("@CheckID", txtID.Text); because when you declare parameter within SQL … |
| | Greetings, I'm having a table that I need to retrieve its data in a specific order based on a column value(s). I need to retrieve first all rows that have the value 0 in that column in ascending order (default order) then rows that have value(s) greater than 0 in …  |
| | What do you want to do in general? if you want to select some specific rows from the datagridview to insert their values in the database you can loop using foreach through just the datagridview selected rows and not all the datagridview rows like: foreach(DataGridViewRow dgvRow in yourDataGridView.SelectedRows) { // … |
| | Greetings, I need to know about the cloud computing tech. especially the private cloud computing security and I need some help even with books URLs  |
| | Greetings, I'm working on an existing solution. The solution is using a GUI inheritance technique. All Forms within the solution inherite from a parent Form. Within the parent Form there is a virtual method with empty body that is called in the parent Form load event. Each Form override that …  |
| | Greetings, I'm facing a problem I'm working on an existing accounting solution. In the solution there are a report for view product prices with product image. Each product has 2 images in the database. When you are about to make a product prices view to a customer first you go … |
| | What is the meaning that Database management systems allow access to and storage of data independently of the interal representation of the data? what is meaning of independently of the interal representation of the data? |
| | Why is stored procedure is better than executing a sql query. What is meant by exeution plan  |
| | Greetings I'm making a WindowsFrom for an invoice and I'm having a problem with datagridview control that consists of two **datagridviewcombobox** columns and another two **datagridviewtextboxcolumn** First of all I build the datagridview within run-time, I mean adding its columns within run-time datagridview.columns.add(datagridviewcomboboxcolumn1); datagridview.columns.add(datagridviewcomboboxcolumn2); datagridview.columns.add(datagridviewtextboxcolumn); datagridview.columns.add(datagridviewtextboxcolumn2); I restored the product … |
| | Greetings, If I have an image represented with 256 columns and 256 rows how many bytes used to store such image? and how many pixel in that image?  |
| | Greetings, I urgently need a book/books for digital image processing can any ne help with books names or books URLs. |
| | Greetings, What is the mean of the graphics context? what is meant by Controls, such as Labels and Buttons, do not have their own graphics contexts?  |
| | Greetings, I have some problem with such needed algorithms I know the outlines but I do not know how to implement especially with recursion :( Consider a binary tree **T** of **n** nodes where every node has 4 fields: LABEL (an integer between 1 and n representing the label of … |
| | I do not know how pixels are represented? suppose I want to read an image pixel by pixel what type of object I can use to read the pixel's data within it and how to read the image pixel by pixel? |
| | Greetings, I want to change a specified color to another within an image which loaded in a picturebox control, that is, I have a picturebox in which I have uploaded a picture. I need to change a specified image color, the blue color, for example, within the image, to another … |
 | Do you mean during runtime phase or during design phase?  |
| | Greetings, I cannot understand what the below code do What is the InvokeRequired do? The delegate I do not know much about delegates if (lblError.InvokeRequired) { lblError.Invoke(new MethodInvoker(delegate { lblError.Text = "License management. Information on active license, renewing license and acquiring new ones. Commercial for limited computers"; picUpdatingFormat.Visible = false; … |
| | Greetings, I want to get all the last written files in a specified directory based on date and copy them to another directory. |
| | IntPtr objects can also be used to hold handles. For example, instances of IntPtr are used extensively in the System.IO.FileStream class to hold file handles. What is handles mean? |
| | Greetings I have a MDI application that when run for the first time it asks for the activation code by showing the main Windows Form (MDI parent) and another activation acquire code Windows Form showed above the main Windows Form using the ShowDialog() method. The main Windows Form including a … |
| | What are the function of SQLAllocHandle() SQLSetEnvAttr() SQLFreeHandle() SQLBrowseConnect() Can any onw help me understand them in detail I searched and understood them slightly. However, I'm reading a project without a documentation in which they are used and I'm confused too.... much. Thanks in advance |
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| | Greetings I want to know what is the difference between passing an agrument by reference as a constant and making the function itself a constant. A constant argument means that the function cannot modify it anyway and any attempt to do so, will report an error from the compiler what … |
| | Greetings, I need to know how to make an .exe Windows application with a database. How to attach the database to the application and if the client server does not have a SQL Server what I should do? While you are in the development phase you can specify the connection … |
 | Greetings, I think the easiest way to do it is creating a DataSet and a SqlDataAdapter instances. When a CellEndEdit event occurs on DataGridView you simply first call the Update method on SqlDataAdapter instance giving it the table within the DataSet instance as an argument then call the AcceptChanges() method … |
| | Greetings, I have a table which contains product information called Products contains fields: ProductID, ProductName, and another table called UnitsInStores contains fields: StoreID, ProductID, UnitsNumber, UnitPrice My first question is: Is it better design to put the UnitPrice field within the Products table or to put it within UnitsInStores table … |
| | When I wrote something like cout << "Every age has a language of its own"; It's supposed that the sentence between the two quotation marks will not be targeted directly to the screen, but will be stored somewhere first before directed to the screen. What is that place in which …  |
| | Greetings While reading I encountered a statement I did not understand what does it mean "Cout is a predefiend object in C++ **to correspond to the *standard output stream*** 1- What is that exactly mean? 2- what is the *standard output stream* & *standard input stream*? |
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