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I have a datagrid that I change the datasource for at runtime. It is always bound to a strongly typed collection. If I bind to a collection, then bind to another collection with a larger number of items I get an 'Error when committing changes to original data store'. I believe that somehow the...

I have a typed object which includes a second nested typed object. I want to show properties of the nested object on a data grid on a windows form. Any suggestions? So far, I have set up: DataGridTableStyle tsl = new DataGridTableStyle(); tsl.MappingName = "ObjectA"; DataGridColumnStyle col1...

Well if that's after one coffee I think I should be worried that I am on my tenth (GMT), fully awake and still only just on the safe side of clueless!! Reading the stream of data worked a treat - thanks very much again for your help!!! Anyone reading this in the future I had to make one very...

Thanks again. All seems to work now one way or another. What I'm actually trying to do is read a .txt or .sql file from the users PC into my application which will then display the sql in a textbox and the user then runs the sql from there. I've got it working doing the following steps but...

Thanks, another question: How can I limit the file types that are displayed and limit the directory paths available? Also, how should I then work with the selected file? It's not "runat="server"" so I can't use the C# code behind. I'm new to this so sorry if these all seem like dumb questions!

I have a web page that I want users to be able to open files from. The files will all be text files that contain SQL that I would then run against a database. How do I get a new Open File Dialog window. In a windows application I would use System.Windows.Forms.OpenFileDialog. What is the...

Thanks - works a treat!! Anyone looking at this in the future, I had to set the ALLUSERS property to 'ALL' or 'ME' as appropriate.

I have created an msi. This was created in VS 2003 via a set up and deployment project. Where do I set the ALLUSERS property? I've read up that I need to set the value of this property to 1 or 2 but can't find any info detailing where I change this. Is there something I can set within the...

You might like to check this article out that provides information on deploying .net application running on a network server. http://support.microsoft.com/default.aspx?scid=kb;en-us;832742 It may or may not be any use for you and won't resolve the Crystal Reports issue. The Crystal Decisions...

I am sure this is a dumb question but how do you override this property? I have a C# application that I am rolling out by creating a deployment project. On the Installation Folder the default is to install for 'just me' and I need it default to 'everyone'. What property do I need to set (I've...

I am wondering the same. Can anyone out there advise?

I have a simple C# application with just an exe. I have added a setup project creating my .msi file and than ran this to install the application. After making changes and then recompiling my setup project. If I try and run the new .msi file I get an error message saying "Another version...

Anybody?

I have a checkboxlist that when I am subsequently interorgating to check selected status is not keeping the status of the control. I'm sure it must be something simple that I have forgotten to select but can't see it anywhere. I have made sure that enableviewstate is set to true. Any help...

You can use the System.DateTime classes: To get from date to a double representing the date: double dateNumeric; System.DateTime dateIn = new DateTime(2003,10,3); dateNumeric = dateIn.ToOADate(); // this obviously gets you the double representing the // current date. You'll need to change this...

Thanks - problem solved!

Hi, I need to find the time difference between datetime fields. DateDiff only appears to give me the days. The data I am checking will usually be only a couple of hours difference but could potentially be a more than 24 hours. Possibly to complicate matters the second date I am comparing...

Worked like a charm - thanks very much!!! Pink star for you!

You could try: string filePath = System.AppDomain.CurrentDomain.BaseDirectory + "email_files\email.txt"; //you may need to change the part in quotes depending on where you run your app from - ie: "secure\email_files\email.txt" FileStream fs = new FileStream(filePath...

I'm new to C# and have a fundamental question I'm sure you could all answer in your sleep. I have a form and on clicking a button instantiate a new class and loop through a series of files. After each file I want to update a progress bar on my form to show how many files have been processed...