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I have attached the c# project Excel Export. The first part of the project is reading from a text file using a stream reader and storing it in a sting file and displaying it using console.writeline. I tried doing this by watching a youtube video. But when I run the program nothing is happening...

I have this visual studio c# wpf program that I created a year back using online tutorials and stuff and I need to add more stuff to the project. But lot of stuff I dont remember so I am trying to just copy paste and edit it. But here comes the first problem. So in the solution explorer under...

Hi I created a sql server database and is using a dataset in visual studio to connect to the sql server database and I am using wpf application with a datagrid. Now in one section i need to use dataview.rowfilter. But i need to use multiple columns to filter row in dataview. For eg I use the...

Hello, I am doing a wpf sample database project. I created a database called school details with different tables. One table is StudentDetails where I just entered the name of random five students and another table is five sets of marks for phyics, chemistry, biology and maths. Now the first...

I have a dataset with column is known as Card_type_1. There 3 types of cards are there. One is SAR41, SAR42 and SAR108. This is a recent change. A week before it was 41,42 and 108, and now I changed it to SAR41, SAR42 and SAR108. Now there is a filter button which checks for each set of cards...

I have a database and then a dataset in C# Visual Studio. In the database there is a table with a column called CardType. This was created by someone before me. And the value in this column is always 40. So he created it of type double. I was told now that now the value has to be changed to...

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Hi, I have a wpf application that has a textbox to which value is inserted using a scanner. At one time when I scan a single data, multiple lines comes into textbox which can be scrolled down to see. But I dont want them as multiple lines. I want to combine all lines into a single line and see...

Hi, I have a big application with a main window. The application is in wpf. I need to enter some values. So I created a second window called Manuel_Eingabe to enter the values. Now in the main window I made a button and created an eventhandler as click. Now when we click on the button, I need...

Hi, I have created an application for learning purposes. Its a wpf application. The application works like this. First is the main window. It has a button called open and a textbox. When I click on open a new window will open up. This new window has 3 textboxes and 1 button ok. The three...

Hi, I have a database and a dataset in C# application. The dataset has the list of my friends with phone number, address and a id. This is for learning purposes. I need to find the count of certain elements , say for example the total count of all the friends with ID > 3. How can I do that?

Hi, I have a sql server database with ID, First Name, Last Name, Phone Number and Address. I have created a wpf application that has a dataset of the database and uses a datagrid view to view the table. I did this as a learning procedure. Now I am learning how to update the database using wpf...

Hi, I have a database and a dataset in visual studio. I updated the database by adding two new columns to a table in the database. Then I updated the dataset using Configure Data Source With Wizard and everything is fine. But the problem is the order of the columns in the dataset. In the...

I have a database with 2 tables in SQL Server and I have a C# program that connects to the database in Visual Studio and also a dataset is created from the database. I need to add a column to the table. So what I did is added the two columns using microsoft sql server management studio and then...

Hi, I am trying to learn database management system that exists in my company. I am new to this. So there are things that I have understood so far. I want to know what I understood is correct or not. So there is this Database which when I checked in Visual studio is of type Microsoft Sql...

Hi I am a beginner level C# programmer. But currently I have a task to work with a Database created in C# using Visual Studio. My knowledge on database is also very limited.My first task is update the current existing database. i.e add two new columns and delete a column. My question is where...