Sort Of "header File" Or "dll References File" For .Net Languages?
Mar 6, 2009
I'm making a small scripting engine in C# and I was wondering, is there some sort of #compiler directives or some sort of other header-like file I can compile with my script files to define what Managed Dlls my script files are referencing?
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I would love to be able to eliminate this line of code:Parameters.ReferencedAssemblies.AddRange(References);and put that information in my scripts instead. The problem is I do not necessarily know ahead of time what .dlls the scripts are going to reference. My current solution right now is to parse a custom "script.cs.refs" file that looks something like this:"System.dll","System.Data.dll","SomeOther.dll","Ect.dll" where visual studio stores your references to dlls and if it has to be defined in a separate file, if there is a standardized format I should be using that I can load into the compiler that tells it this information,
I'm going through All-In-One Code Framework Coding Standards document and one of the recommendations is to add a file header comment at the start of every human-created code file. This is the first time I've seen such a recommendation and to me it's just an unnecessary and ugly clutter but I'm wondering if someone could explain why M$ recommends this?
however, I am stuck at BinaryReader.actually this is what i am trying to acheive through VB.NET.say for the following file type :
JPG file = FF D8 FF E0 BMP file = 42 4D BE 4E PNG file = 89 50 4E 47 GIF file = 47 49 46 38
the above are the 4-byte headers in Hex(raw) I need to read these headers of any given file using OpenFileDialog using Button1_click event,on selection of any given file(*.* filters ON)it should use the BinaryReader and look for only 4-bytes starting from offset 0, and it should not go to EOF marker (-1).and have a variable to hold this 4-byte header value, to run this in a database table which will check the same header value in the table and would display the corresponding extension of the file. from the table.
I can do this using case, if then...etc.however, I have to do it using Database and also i need to check for testing purpose to use MsgBox() to display this variable which is holding the 4-byte header.however, the MsgBox doesnt allow anything other than String.
I am binding a data set to a GridView in VB .net. I have some custom sorting setup, and want to display an icon next to the header if one of my 3 options is selected.
I've read a lot of methods in doing this, and I see Gridviews even have a ASC and DESC header style I can associate with the view. I have 2 problems with this, though:I am sorting a List with linq on Sort Trigger, then binding it to the datagrid. The reason I do it this way, is I want to maintain multiple sort levels, ordering by 3 columns rather than 1.
Edit for clarity Specifically what I want to do is loop through the value of a GridView's Header text, see if it matches what I have saved in viewstate, and if so add an image for that header in particular. Something essentially like below, however headerRow.Cells(y).Text is always returning "", even when the header has text:
Sub gvPatronData_RowCreated(ByVal sender As Object, ByVal e As GridViewRowEventArgs) Dim savedSortDirection(), savedSortColumn() As String Dim headerRow As GridViewRow = gvPatronData.HeaderRow
I have a VB 2008 connected to my localhost SQL using DataGridview, BindingSource and DataTable. All works fine, i can add, edit and delete the row and the SQL database is also affected.
However, there is one thing that bugs me, that is sorting.
Problem My table in this database is still quite empty, it only has 6 rows
However, if I spam-click the column header, the sorting seems taking some time to sort, so that, the sorting result does not follow my mouse spam-clickings
Note: Spam Click = Clicking the mouse button in high frequency, something like click click click click click click click click click, etc
I then make a debug button to check this
Variables: Dim DebugInt As Integer = 0 Dim bs As New BindingSource
I have a listview that has multiple columns. I am wanting to sort these columns when clicking on the column header.I see there is a sort function, but am not having much luck in using it.How can i sort my listview when clicking on the column header?
What is the simplest way to use a C++ header file in a VB.NET application?I need to access an API defined via the header file for a custom VB.NET windows app.
I have a csv file generated with headings on the first row and data on the rest. The file varies each time and I have to have all these values for further usage. I'm using File.ReadAllLines(path) but could ignore the header row.
I have a SSIS package to read CSV file and generate a Flat file. In the CSV file, first line is having the column names. I have to verify whether column names are in order, if not i have to produce a error. I have to use a script task for this one. I read the first line using readline method and split the line with commas, the problem is the file having a multiple line column names, means column names include new line character also. So how to get the column names from the header?
I'm an inquisitive .NET student without any commercial working knowledge and I have been puzzled by what exactlty are .NET languages meant for? Q1.If you look on job websites, .NET seems mainly used for web applications, not much for Windows applications? (My dream job is to develop standalone small Windows applications.)
I have been working off and on for a year on my own media browser that I created in VB.NET. My program will play MP3 playlists as well as supporting drag and drop
Getting fileinfo of an mp3 is no problem but I have discovered that it is more complex when I try to get file duration of video files (.avi,.mpg) etc.
My code listed below uses a timer. In order for me to get a video duration value, I must actually play the file in axwindowsmediaplayer1 for one second. This seems not practical.
I have seen many examples on the internet in C# that read video metadata without need to play/load the file. Why are there no examples in vb.net of this? Is it too difficult to achieve in vb.net?[code]...
I am trying to open a remote file to read the header row to establish which columns the file has. The code below works but takes ages with a large file. I have a feeling the whole files contents is being read into memory?Is it possible to read a header row of a remote file without reading the whole file into memory? the files I want to peek at will have 500K + rows so I need a quick and efficien
Protected Sub btnUpload_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnUpload.Click
visual basic.net is case insensitive so it allows the coder to write without caring or remembering the casing of variables. it also relieves from the 'undeclared variable' errors if you use the variable in another case than the one used in declaration. The fact that its line termination is a line feed makes it even more readable unlike C# or c++ that need good care in the casing and contineous war with following up with the {}, matching them and figuring out which is for which.my question is what are the advantages of c# over vb knowing that both get compiled to MSIL so there is almost no performance difference between the two languages?
Just recently got into experimenting with NLog, and it occurs to me that I would like to be able to add header information to the top a log file such as:
Executable name File version Release Date Windows User ID etc...
After some searching I have been unable to find anything in the existing on-line documentation or code forums which indicates this type of functionality. Is this possible? I have always previously included this sort of information in log files, and have found it useful on numerous occsions in the past, when sourcing information on production issues at customer sites. Admittedly, this functionality was custom built for the solutions and not based on any of the current .NET logging frameworks.
I'm using vb express 08 and I'm writing a program that requires the name of (and possibly location) as the form header as well as the name of the program itself.
for example; when you open MS Word, the title displayed at the top is [file name] - Microsoft Word
I'm wondering how I can go about creating something like a header file to contain some verbose functions I don't want to have to look at after I get them created. Something like in c++ like.. #include "classfunctions.h" to hide all the nasty stuff you don't want anyone to see.
For my project, I need to develop an app, which will have MS-SQL db with 4 tables a>FileHeader b>FileFooter c>Extension d>Detail about the file. This is all to do with the Magic Numbers, or File header and footer, found in all files. The first 4-byte and last 4-bytes.
Example: Suppose a word DOC file when read using this app should return and match the values D0 CF 11 E0 So, how can I read the files using vb.net, fileIO, FileStream/StreamClass/FileReader? I just need to open the file and read the first 4 and last 4 bytes of any given file. And then it should connect back to the SQL database and lookup for the matching values from the tables as I had mentioned. And return a match found or not found.
I have to read in several thousand lines of a EDI 4010 or 5010 formatted file into a database. This is medical claims data. In my current process I read each row of the file and parse it into a string array. I then assign each value of the array to a string variable and when I detect a new claim header or detail record I write the variables to the SQL server in a SQL insert statement. Example below
The below code imports my CSV file into the data grid. Only issue is it populates the header with a row from the CSV file, I want the header to be left blank and rows to be imported after it.[code]
I'll be creating an xml file with the idea that I can build a procedure to sort it based each row's Sortorder="n" as depicted below. If I'm on the right track here, I'm also hoping to keep Supplier and Contact in their sequential order.
I have a weird requirement to parse a file which is a comma separated string with repeating header..i have a file which i load into database and this gets populated as a single column string with header and details data:something like this (This is single COLUMN String in a table). SSIS is not able to handle this so i am trying to know..If it is possible using writhing VB.Net custom component.[code]Also, if i can pass the values of header (i.e. header3, header5, header7 and header10) as a variable would be ideal.
i am trying to create a program which will get data from the .txt file. I got to stage where program gets me the information from the .txt but i would like it to be sorted.
Here is sample of text in .txt
01:13:11 Setting up 01:13:11 Loading level 01:13:12 Now accepting input on 25565 01:13:13 Level saved! Load: 0/16
I want it to take a new line after the time so it would look like this.
01:13:11 Setting up 01:13:11 Loading level 01:13:12 Now accepting input on 25565 01:13:13 Level saved! Load: 0/16
The code in visual basic that i use now for inputing the text file.
Dim FILE_NAME As String = "C:Documents and SettingsAdministratorDesktopmcserver.TXT" Dim objReader As New System.IO.StreamReader(FILE_NAME) TextBox2.Text = objReader.ReadToEnd objReader.Close()
Why do i need it ? This is a log from command promt, this app will be for a game server.
I want to arrange this lines according to the number in [Txxxx] from small to big then write all the line which not contain[Txxx] at the below of sorted lines. How to do this? is that possible?
I want to arrange this lines according to the number in [Txxxx] from small to big then write all the line which not contain[Txxx] at the below of sorted lines?
I'm using Visual Basic 2008. Im my work, I need to capture data from a spectrometer and display it on graph. I've managed to capture the data and save it as a text file. Now I'm confisued How to sort it out my data from the text file?[code]...
I want to swape the lines based on second and third column.. I must first swape based on second column in decending order wher the big number will come first. Like here the lines with number 30 will come first followed by 28 and so on. Then i must swape the colors. Like all the Black will come first follow by[code]...
Let me preface this by saying that I'm very much a novice coder. I'm currently working on a small project to practice with Visual Basic and have experienced some issues during my save and load process using text files. I think I can solve the issue by changing the way my text file is initially saved. I want to see if I can sort the items and change the order in which they are written to the text file based of the value in one of the lines.[code]....
