Michael27

Did someone try [This](http://www.programmersheaven.com/mb/TheOne/198105/198105/how-to-make-a-query-between-multiple-tables-in-a-dataset/)

Nope error

> Create it to be hard to use without proper documentation, online services, hotline, training courses etc Wouldn't that create very narrow customer base?

From C# application without prior connection, it is impossible to do that. Besides connection string there is no way to connect to the database. Incomplete connection string won't execute(it needs to contain the name of the server/path, name of the database and security details)

[Member Rules](http://www.daniweb.com/community/rules) Do provide evidence of having done some work yourself if posting questions from school or work assignments

I don't know if this is required but i would recommend you to learn [OOP](http://www.amazon.com/Object-Oriented-Thought-Process-Developers-Library/dp/0672330164)

C# is not vey difficult language, first get some basics in OOP(Object oriented programming) and rest will be easier. A good place to start is from the developer of the language it self http://msdn.microsoft.com/en-us/vstudio/hh341490.aspx

When you are attaching a file to thread don't use # for a file name it will give 404 not found page. [Example](http://www.daniweb.com/software-development/csharp/threads/425890/problem-connecting-c-app-to-a-.mdf-file-in-sql-management-studio)

can't download the c# file.

@nthabiJacq use a for loop, that is all i can say.

What you are passing is is entire array not elements of those arrays [Click Here](null) And then when you do Count -1 you have removed last Array from the count

http://www.mono-project.com/Database_Access

a[0] means that it is first element in the array.

> "object refrence is not set to an instance of an object." Cause 1: Not declaring variables! Yes, I know it sounds obvious, but MAKE SURE that you've explicity declared the variable, and don't forget to use the appropriate scope! Cause 2: Bad scoping public Form1() { private string strHello; …

/// <summary> /// Used to set up the data table when the user types a query. /// </summary> void BuildDataGrid() { dataGridView1.DataSource = GetSearchResults(queryStr); } /// <summary> /// Connect to the database and then use an adapter to /// fill a DataTable. /// </summary> DataTable GetSearchResults(string queryStr) { // // …

Can someone show me algorithm so i can sort array like this? [Picture](http://i.imgur.com/HhQ4I.jpg)

Is there a topic about this, if there isn't i would like to start one. Still haven't found one.

I have hard-coded this array of ints [CODE]int[] numbersToSort = {100, 23, -1, 3, 99, 0};[/CODE] I want to use Console.Readline() to take input from the user, but it only takes string input. I can't use Convert.ToInt32() because it doesn't take array for parameter. How can i convert array of …

I'm trying to create login form in C#. I store username and password in SqlServer 2008 express using the stored procedure [CODE]ALTER procedure [dbo].[InsertNewUser] ( @UserName varchar(30), @Password varchar(30) ) as If exists(Select 'True' from Users where UserName = @UserName) begin --This means that the user name is taken select …