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Dearl all, Is there any way or codes for export dataset or datatabe to excel file. Whenever I use click event in the button, it will save my report in an excel file. My information inside in datatable (dataset) from database and I want to save it in excel file. …

Here is a sample code snippet of logging in a user against a user table in an MSSQL database with password encryption. Scott Knake

Dear all, I'd like to learn C#, but not sure which tool to start with, i.e .NET Framework or Visual Studio .NET., or eslse, and where could I download a latest free version. I'd greatly appreciate any suggestions. Thank you, VM

Whenever I want to delete row my excel file in c#. I have get error. I tried much much codes on the net but I can not solve my problem. Please solve my problem... Regards,

I need to export DataTable to Excel file. Is tehre anyone help me? I dont want to listview to excel... Regards.

Hi all, I am developing an application which to use different local computers. There is a computer has a mssql 2005 express and my database on it, I want to use it all local computer (5 computers), connection string like that : [CODE]"Data Source=DARKOCEAN\\SQLEXPRESS;Initial Catalog=TestDB;Integrated Security=True"[/CODE] How can I use …

Hello everybody, I am c# developer but I have c# application and want to change it with Java because sometimes I have problem. I have 7 modems and my clients send package to my application and I want to listen it with thread ans produce an answer to them. I …

Hie guys!I am developing an application(has 4 forms so far) and I want the Login form to be closed when one is on the Main Form.The application has an option of exiting the system on the Main Form but when I do that the Login Form will still be there..I …

Hello everybody, I use 7 modems in my application to listen serial ports. I must be check modem status because sometimes my modem hang up in OH status mean that OH lamp is lighting and the telephone line will not be closed, if I close and open the problem everything …

Hello Everybody, My application listen TCP/IP port which is 6000 and working correctly but my client can not be process at same time so I want to use Asynchronous Socket to all clients work at same time. I found an best sample codes on google but it getting package information …

Hello everyone, I want to design an A4 document to print, you think it can be any business form for sales, for bill, for finance. What is basic method to printing document design(form)? Example : I arrange labels, textboxs, listviews and when I push to print button, it must be …

Hello everybody, I am using Serial COM Simply in C# by Noah Coad [url]http://www.devhood.com/Tutorials/tutorial_details.aspx?tutorial_id=320[/url] and I have available ports on my machine whichs COM1,COM2,COM6,COM7,COM8,COM9,COM10,COM11,COM12,COM13 and I use COM6,COM7,COM8,COM9,COM10,COM11,COM12 with ZyXEL Omni 56K modem, I use these 7 ports with 7 modems. There are clients for getting answer wtih this modems. …

I want to use my data from mssql database and print it like following format which is an invoice ( bill) format... Please help me, how can i arrange my data to print like this...type is not important i can use word,excel,pdf, etc.... Thank you for your answers ;) --------------------------------------------------------------------------------------------------------------------- …

Hi all, Now i dont remember what we say about this method, i am so sorry for that anyway... I want to write in textbox when i am writing on it, it shows similar info to me. For example if i write dan it must be show daniweb, dance, danny, …

Hello all, Whenever I create a new form in a form while pushing a button. Every time I push the button and new form created. I dont want this. Example : If form2 exist and OPEN so bring it to front. I cant arrange it, I tried bringtofront or this.Close() …

Hello Everybody, I use different forms....I want to send a value like form1 to form2.for example textbox1.text value, I want to send it to myStr in form2. I tried public static but I could not solve it. Also another problem is this. There is 3 forms. If form1 sends a …

Hello everyones, I want to delete where my id has unique identifier in the table in my database.... how can I do it? Thanks

Hi! I'm working with an XSD Schema in C# and I have all of the classes imported through a C# code generator. Now I want to know if an element/property of a class is mandatory, optional and such. Any clues anyone?

I am copying excel file to mssql database's table, problem is this : I have some informations in 4 rows but mssql database table has 13 rows. fisrt 4 rows has my information and 4-13 rows has null values. sbccm from 1 to 14. where is the problem I donw …

I want to research an ID on a sheet in a Excel file and found it and delete this ID from excel file and save this file. I want to remove a register from my file. ID is a fisrt column and I must be research this column and find …

I have already studied C, and C++. I googled for the best programming languages. Somewhere I found c# also. I want to know that, what type of programming language is this. I heard that C is useful in writing operating systems, C++ in gaming and i also used it in …

Hello to everybody, My application has some problem yesterday but I solved them but today, again it has same problem. [code=c#] Excel.Worksheet sheet = (Excel.Worksheet)excelWorkbook.Worksheets.get_Item(bolge); Excel.Range ran = (Excel.Range)sheet.Rows[satir, Type.Missing]; ran.Select(); ran.Delete(Excel.XlDirection.xlUp); [/code] It gives an error message : Select method of range class failed. I did not solve this …

I have a excel file and I want to find what I need the ID which is first colomn. The excel file is 4 sheets and fisrt colomn is ID on them. Problem is this : I know only and only ID but I dont know this ID which sheet …

Hi In my windows application i have a combobox() and textbox().I want to show a messagebox if cmb1 is 0 and txtbx1 or txtbx2 is empty.The below code doesnt work.It shows the Messagebox even when cmb1== 0 and txt1 is empty if ((cmb1.Text != "0" &&( txtbx1.Text ==""|| txtbx2.Text =="" …

I have developed a server/client application. Everythnig is cool but whenever the internet connection is halt or no connection. It show the error message from try/catch and if internet problem is ok and there is connection, program is continue normally but sometimes it is halt.If the error closed this application …