17,880 Topics
Write a C# console program that allows the user to edit an address book by displaying the following menu to the user: 1- Add New Address 2- Delete Address 3- Modify Address 4- View Address 5- Quit when the user enters 1 the program just displays "You wish to add …
Dear Friends, I have add resource file with number of images to my project. My question is, after deyploment and setup of the windows base application, i cannot I find resources file on the client pc, but the pictures are visible? Thank you in advance, André
Hello, I have been trying to get this robot to work out and be able to move around. I am just so confused as to how to get my arrow to get even displayed and moved when pressed by one of the directions to go. One area that I struggle …
Hi! I have existing system already, I am using ASP.NET. I am using a separate VOIP/Softphone so we can call. I want to know if it is possible to do predictive dialing in ASP.NET. I've heard that it is possible in C#. I am new in Web Development, so I …
Trying to get the last row inserted from a Excel sheet. The sheet is called clientes. I have id, name, description Since ID is auto incremental, I can sort by ID: My idea is: oledbcmd = "Select top (1) * From [CLIENTES$] ORDER BY id desc"; but it does not …
Hello, I'm having trouble getting a part of this program to work... the update student part is supposed to update/edit student's scores. When i run the program i cant get the bttnUpdate to work in the frmMaintStudentScores.cs. can someone help me fix it? the other parts of the program are …
Hi been working on this final piece of the puzzle and it seems like the last step is the hardest. So far been able to stop it from adding multiple items per button click (number of rows + 1) Update QTY count for first item only. Trying to have it …
Making a scrolling game and I want to make a boss level. How do I make a picturebox invisible for 10 seconds and then appear?
How do you call a constructor to initialize a variable using form1?
Dear Friends, I have a web API I developed using asp.net c# with uri "https://www.xxxxxxx.com:82/api/pincheck" with the function called "getuser". I want to use this API to authenticate login to an android App. I am building the app using Android Studio One. The user enters a six digit pin, the …
Hello guys, It my frist topic in this forum so i hopeI hope you like it?? In this topic we w'll learn how to check internet connection using a simple code. frist make a new project And add a label and timer . second Double click on timer to type …
I am learning to code and I have been working on a game using what I have learned to make it. So I have been making my version of R type C# game and got everything working so far but I run out of ideas how to make this part …
I've found many tutorials online for unity making homing missiles. I can't find one for people not using unity.
Hello everyone, Could someone please help me with an Html and CSS issue. I am using asp.net c#. I am stuck in how to create an array of buttons in HTML. I do know how to create 1 button but I need to create about 10-12 buttons. Would like to …
Trying to make a game where explosions randomly appear on the screen using visual studio. I figured out how to make a single picture change location on the screen. So, I wanted to make the illusion of an explosion using imagelist. When I try to do it I get an …
Is their a program in which it will determine if a letter in a textbox is uppercase? This program is for Password checker as it will only be granted if the first letter is uppercase.  char[] v = Password.Text.ToCharArray(); //i want to check the first letter if its uppercase …
I am using windows media player 9 and set the stretchtofit property to true.I find black areas on left and right side of video.My system has windows 10 and is set to 1280X720 resolution. I am using vs 2013. 
Watching a Video on windows media player will produce black bars on the left and right. this.MPlayer.stretchToFit = true; AxWindowsMediaPlayer mPlayer = this.MPlayer; mPlayer.URL = "Location of a file"; Below attached file output of the code. Please suggest me how to change the aspect ratio of an Windows media player. …
My experience with C# is very very limited and a simple python program like the one I'm trying to convert is beyond my experience in C#. If anyone knows of any converters or is willing to help me out I would greatly appreciate it! class ByteReader(object): """ Reads bytes from …
hi everybody, I was trying to read a certain range from column in excel into an array in c# then to write it back in another column(as a matter of a simple trial), where the column is written into textbox3, the start of the range is written in texbox1 & …
public bool Kayit_Ekle() { sorgu = string.Format("Insert Into [{0}] ([SERVİS FORM NO],[ÇAĞRI NO]) Values ({1},{2})", sheet, formno,cagrino); cmd = new OleDbCommand(sorgu, Baglan()); cmd.Parameters.AddWithValue("@{2}",cagrino); int etkilenen = cmd.ExecuteNonQuery(); if (etkilenen == 0) { return false; } else { return true; } } Hello there, I am writing recording program with c …
I have been having nothing but trouble trying to get C# to read excel. I haven't even gotten to the writing part, but I imagine it's going to be a challenge, too. FYI, I'm pretty new at this, and don't have a ton of experience, so I'm sure I'm missing …
The following code is not working correctly. It is supposed to be associating an ip address of a user with a post's content, which in an online scenareo you know can be two different ip addresses. It is therefore showing exactly what was done with an account in the event …
I make the windows form on which on a single button click performs like this ' private void button1_Click(object sender, EventArgs e) { Excel.Application exapp=null; Excel.Workbook exbook=null; Excel.Worksheet exsheet = null; object misvalue = System.Reflection.Missing.Value; exapp = new Excel.Application(); exapp.SheetsInNewWorkbook = 1; exbook = exapp.Workbooks.Add(misvalue); exsheet = (Excel.Worksheet)exbook.Worksheets.get_Item(1); exsheet.Cells[1, 1] …
I am good in different languages, that is: Java, python, C#, VB.NET, php, javascript I have been programming for a while now it's about 2 and half years but the issue is when I focus on one language I tend to concentrate on it more than the others which leads …
I am confused about this. I am using Unity 2019.3.f1, Visual Studio Code and Visual Studio 2019 community. While attempting to build an ECS enabled game, I have run into these problems. 1. Multiple errors complaining that a namespace symbol can't be located (paraphrasing here, exact errors: CS0103, CS0426, etc.), …
First - so I don't get in any trouble - I've posted a similar question on other forums but have not gotten any responses so branching out in my quest for help as well as changing the question a little. Previously I was trying to find out why calling LoadUserProfile(...) …
## Basic workflow of my page ## [Image of Payment page](https://1drv.ms/u/s!Ava3iL9se3C3gTF_XJ_RiBBsWDHs) I have a payment page that has a name textbox (txtName), a PIN textbox (txtPin) and two textboxes (txtPaymentDate and txtPaymentTime) containing payment date and time respectively. The page also has a payment button (btnPay). txtName has a RequiredFieldValidator …
I work on c# desktop app I Can't export data to excel file with multiple tab(multi sheet). only that i can do create excel file with only sheet based on data exist on data table module field. I use open XML library Data table data as below : Divide Output …
can you please help me with an assignment, im struggling to get the correct coding of the below. Question 2 Write a class that accepts a user’s hourly rate of pay and the number of hours worked. Display the user’s gross pay, the withholding tax (15% of gross pay), and …
Hi there folks, kinda new too C# and want too show or hide a button using a checkbox and after trying i just gave up haha so here is the quastion! how do you do that because i am really lost here.. would show you the code. but i kinda …
I have a class which is sort of like a repository, and every time I write to the zip archive using this command, the prior activity is overwritten. /// <summary> /// Insert file into existing archive file. /// </summary> /// <param name="fullPath"></param> /// <param name="stream"></param> public void InsertIntoFile(String fullPath, Stream …
Hi, there! Have a question right here. I've been preparing a project (Periodic table of Elements), so user by clicking on elements can access to another form which showing the element properties. Also, the user can search the element based on name, atomic number, year of discovered, and sign. Don't …
I just updated my professional networking profile. The skills and interests textbox was prefilled with php, mysql, javascript, web-design and asp.net presumably from my post history. I've updated this to c#, .net and sql. This is visible in my profile page. When I go back to edit my professional networking …
I want to create a triangle with Windows Form in Visual Studio (c# code). In Form1 I have 3 textboxes that the user enters the lengths of the sides of the triangle and 1 "Enter" button. When the button is pressed, Form2 is opened and a triangle is drawn when …
I'm looking for a way to attach listener to a C# variable, so that every time its updated or read, it will execute a function which will go on and process their own variables. I know of the means described below but I'm looking for something that would work like …
There are times when you need to make sure your counter starts at an odd or even number. Even is pretty simple - `counter = counter + modulus(counter)`. If counter is even it stays, if it's odd it gets incremented by 1. Odd is a bit more complicated - `counter …
Using a two-dimensional and one-dimensional array, create a program that will display the cost of a Bahamasair ticket given the FROM and TO locations. The cities/towns to use for this program:Nassau, Freeport, harbour island and marsh harbour
hi guys i am a new of programming and new of c# i try to learn it , i try to understund how work a listview , i have a file.txt inside of this , i have 4 line . i have creted a form with a listview with 2 …
Hi good people of Danniweb, I've looked at a lot of examples on line and I cannot figure out what is going wrong. My program has to transfer a simple delimited text file from the local machine up to a specified directory on a FTP server. After I have run …
When working with TCP client sockets I often find myself frustrated with the lack of event-driven support. I usually end up writing a whole bunch of code to determine disconnects, reconnecting, etc and I figuired it's time to just write my own class for this stuff. I figuired I'd share …
Greetings, my objective is to create a `Dictionary<string, string>` (or `Dictionary<string, List<string>>`), adding elements to it from a `List<string>`. The first string of the list should be the key of the dictionary, the other strings the value. For example: `List<string> list = new List<string>() { "key1", "value_x1", "value_x2", ... };`
I have used GroupBy and have got the value as below into individual array but the array consist of 5 sets of same Id so how do group them futhure to get something like expected result below , any idea would be helpful [{ "id": 116, "amgId": 168755, "amgName": "FIT", …
Hi, i want to learn how to parse user input and check its validity in c#, for example i want the user to input a specific format : "x,y to x,y" where x is a number and y is a number (entered by the user) like : "1,4 to 3,8" …
Hello everyone! I registrered an account on this community years ago and I don't remember why, actually O_O At first glance looked like an alter ego of SO, but looking better into details I feel a different athmosphere, kind of friendly environment. I am a software developer, tried a little …
Hello everyone, I want to put my *string[]* (array uni dimensional) of values in to excel row and every time the first number of this array was different of "500", the program will add another row with the values on the excel sheet. I only have on the program to …
I have 2 textboxes on a form that accept dates. I dont have a drop down box, I just let the user enter the date themselves. I then want to take the dates entered from those two boxes and figure out how many days apart they are. I'm not sure …
I worked about 2 weeks with OpenTK and I like to know how to texture triangles. I like to give my program, the flexibility to make shapes like triangles, cubes, spheres and to give them different textures (or shaders). I like to give my window a icon, but it says …
Hi. im developing a loan processing system using mvc c# asp.net. One of the requirements of the system is to perform a credit history check on the customer applying for a loan. so this is how it works: -the customer applies for a loan. the customers id number gets stored …
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