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Time Tested C# Solutions: 1 - 25 of 5790
 
is there anyway to send mail using yahoo or hotmail or others mail server? here my code, System.Web.Mail.MailMessage message=new System.Web.Mail.MailMessage();                message.From="xxx@yahoo....
I've been using the following C# code. Now I need to have a seperate date and time instead of both in the same string: DateTime dateTime = DateTime.Now; dateTime.ToString();                    
Hi,  How do I Check in C# if the file "a.doc" Exist in the folder "c:\xxx\qqq" thnx
i need to click on a button in another application from my C# application, i have API calls working to activate or close the window etc and they work fine so i know i am sending messages, and ...
Hello experts: I'm trying to load the load test.xls contents thru c# code so that I can update some data base fields: My code is below: public class BankParserClass Excel.Application e...
Exception Details: System.Runtime.InteropServices.COMException: Exception from HRESULT: 0x800A03EC. Source Error: Line 32:                xlApp.Visible = true; Line 33:                string strFileName = s...
Hi all,      I am trying to run a .bat file which in turn contains a command for an application. here is my code. --------------------            string filepath2 = strArray[2] + "\\myCmd...
This is my lame excuse for a routine to remove special characters from a string (I just want the spaces preserved so I can then turn it into a CamelCase variable name... is there a better way?...
Why the heck can't I do this in C#??? strIDVals = "IN (" + this.Label4.Text.Substring(strIDHeader.Length, this.Label4.Text.Length) + ")"; strIDHeader.Length =34 this.Label4.Text.Length ...
I used to use the mod function in asp to figure out the following while looping through rows in a dataset to display a matrix style grid of products: if n mod 3 = 0 then    //start a new...
C# VS 2008/2005 - Dianlogue box button selection. Simple. I have a YES or NO Dialogue box and when the users selects YES or NO they get another dialogue box informing them of their selectio...
I am looking for documentation that recommends using one of DateTime.Parse vs Convert.ToDateTime and when each should be used / not used. I am looking for info regarding efficiency and perf...
Hi, Lets say I have a text file. Always when I try to write to it with the following code, It erases what was already in it:                 // create a writer and open the file     ...
I am trying to learn how to work with XML better... please help me figure out how to do this example.  There are certain elements that have child elements - I don't want to display them or the...
Is there property I can set so that I can use the open file dialog to select only a directory?  Or is there a similar control I can use?  ( I seem to remember doing in VB, is there an a simila...
I have a tag value as string in my program....I want to search that Tag value in Tree control and want to select/expand the node with that Tag value. C# please!!!
I have a list of users that includes name, startdate, and enddate.  A user may be listed several times but with diferent start and end dates.   I want to create a new list that contains a sing...
Hi I am pretty proficiant at crawling web pages using an axWebBrowser in a c# application but am getting hung up when I hit a save file dialog.  I need to save the file (an xml report) for ...
Why doesn't this work: System.Globalization.CultureInfo culture = new System.Globalization.CultureInfo("en-GB"); textBox1.Text = "18/08/1980" DateTime temp; temp = Convert.ToDateTim...
In C#, how do I perform a Left(  ) and Right(  ) string function on a string? For example: Right("This is a beautiful day",3) would equal "day" ~~~~ Left("This is a beautiful...
I'm trying to format a date in a text box (birthday)... but it still displays the time ? any idea what is wrong...thanks..      this.dtBirthDate.DataBindings.Add(new Binding("Text",dS_RepInfo,"...
I neeed to trim the following string to get a unique ID for a DataTable. ProductTypeList:_ctl"3":ProductList:_ctl"10" I have put quotes around the sections I need to extract. the numbers...
Hello, How to call a C# function (eg., main()) from a Javascript funtion (eg.,ref()).? On Button click I can use this statement : document.getElementById("InBut").click(); But how can I c...
I am getting the following compiler erro while using the following code behind file in C#  Exception Details: System.NullReferenceException: Object reference not set to an instance of an ob...
I'm starting to try to fully take advantage of the very powerful "DataSet" structure in .net.  I've learned a few things in the last few days, like how to get child rows based on a relationshi...