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Problem: I use a datagridview and connect via tasks to an access db. So I get a ledenTableAdapter and more specialized objects. Now I want to save changes from the dgv to the DB. It does not work with ledenTableAdapter.Update . I have no idea how I can make it work...
Sir i want to make a programe.please help me how can i make this.. Programe is that I want to make mobile database using the c sharp.If I enter the ten digit mobile number records of the person found means name of person and address of person and other contact number found. So sir help me how can i make this.
I nedd to build a program that takes in input five processes with the corresponding needed information (Arrival time, Burst time, and Priority). The program’s output should be the Grant Chart of a priority scheduling algorithm. The user has the choice between three kinds of priority scheduling
algorithms:
1. Non‐preemptive; without aging
2. Preemptive; without aging
3. Non‐preemptive; with aging.
Define a console-program to create an array of integers. Initialize the array and assign the values in array. Define a method to pass the array and modify array elements. Display array elements by using for-each loop
Define a console application with a class ‘Employee’ with variables as emp_id (int), name (String) and Grade (double).Define five different constructors for this class to initialize the variable values. Define Finalize method to display the Grade value. Define a for loop in Main for 4 iterations and inside for loop create Employee object. After the for loop call Garbage Collector.
Create a console application to display different messages depending onthe command line argument value. Use Select-case statements.(similar toswitch block)
Define a console application to display all the arguments passed to command line while running the application. The user can pass any number of arguments that should be displayed. Use length property of array and for-next loop. If there are no arguments in command line display message ‘No Arguments’
Hello,
I keep getting the following error when running my program: "Input string was not in a correct format."
The error is thrown before I even get a chance enter an input. Please help. I'm going crazy. Thanks.

System.Console.Write("Enter citation number: ");
citationNumber = int.Parse(System.Console.ReadLine());
Hi,
Basically I am C# developer beginner ,I am trying to make a desk top application using C# programming in .Net to send sms and have subscribed globalbulksms service as third party sms gateway and everything& is working properly but sms is not receiving in mobile, I am getting error like "recipient is not available" and some time like "provider is not register on your local machine server".
Please help me out , please send some code to send sms free if possible because I don't want to spend money any more....

Thanks in advance
Hi All,

I am trying to update my SQL table with 0 and 1. I have design a code that enables me to read sql table and write the result to text file. The problem is that i would like to convert 0 values to 1 randomly based on percent. For example, assume that table A is columns *4 rows with values 0 and 1.
The current percentage of 1 is 6/16. which is %37.5 I would like to increase the current percentage to 50%. To do so i need to convert randomly additional two 0s to 1 to get the total 8 of values 1. I appreciate your assistant in advance.

For example:
Table A
a1 a2 a3 ... am
1 0 0 1 ... 1
2 0 1 0 ... 0
3 0 0 1 ... 0
4 1 1 0 0
...
n
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