4,588 Topics
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 | I am exporting data to excel but inserting rows is very slow about 2 seconds per row pls help using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.OleDb; using System.Data.SqlClient; using System.IO; using Microsoft.Office.Interop.Excel; namespace Dashboard { public partial class Form1 … |
 | Hi, Is there a way I can access the Exchange Mails/Calendars/Addressbook without .NET or non cross platform thing? I want to access them with C++ but on both MS and Linux I was looking at EWS but it seems it is tied to MS and .NET Please share with me … |
| | Hi there; I am planning to create a program. There are 700 hosts and 1 server. Hosts will send status information to server,these information is related with my business logic. Server will process these information. There are two different ways to do this, creating a c# application (for server side …  |
| | i don't know how use to a timer. I'm supposed to do is After the Roll button is pressed, a timer will be enabled to generate random die rolls every 1/10 of a second... [CODE] public partial class Form1 : Form { Random m_rnd = new Random(); List<int> diceResults = … |
 | Please help me how to create inputbox in visual C#? |
| | Hi, I'm a newbie & I need to create multiple iframes with an array, in a for loop! Is it even possible to do that! I accomplished it with Javascript, but I'm having a heck of a time doing the same in C#. Here's what I did in Javascript: [code] … |
| | Hi, you guys. I'm making a obfuscator, and I need to know how to get all variables, classes, functions, etc, from a .NET program. I know how to get assembly info, which is quite easy. [CODE]using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using …  |
| | I need a coding to execute multiple at commands simultaneously. when first command execute and get the response from the port and then the second command will be executed. how to write the coding. it is possible. i am using siemens gsm modem. FOR example. 1. AT OK 2. AT+CPIN? … |
| | Hello guys, I am building a small accounting system, one of the main functions of this system is to add a new supplier. I am using Telerik, Rad controls ( trial version) to make some appearance improvements. Moreover, I have a winform to add a new supplier which contains several … |
| | Please guys will you recommend any books or tutorials for C#? Thank you |
| | hi, can you tell me please how can i disable the keyboard back space button on my web page using C#. Thanks nd Regards, Nice Candy. |
| | Hello Everyone I want to create an online exam based web application using VS and SQL...I want to know how do i start I can create a login page but how do i store questions and answers in the database and produce them during the project execution??? |
| | private void button1_Click(object sender, EventArgs e) { if (textBox1.Text.Length > 0) { string sayii = textBox1.Text.Substring(0, textBox1.Text.Length); uint[] sayicc = new uint[textBox1.Text.Length]; for (int i = 0; i < textBox1.Text.Length; i++) { sayicc = Convert.ToUInt32(sayii - 48); } uint[] dizi2 = new uint[textBox1.Text.Length]; uint bit = 1; for (int j … |
| | hi there, how can i validate a data grid view column to enter only the date in the data grid view column. i am doing this in a 2008 VS C# standard edition software. how can i do this. thankx |
 | I have a number of plain text strings that I need to allow a user of my program to change, what is the usual/best way of doing something like this? I was considering using C# properties for them all (and a "edit properties page") but I'm not sure that's the … |
| | My problem is, I've just started with C# and i was given a problem to solve by my teacher... here is the code... [CODE] { class Program { static void Main(string[] args) { int[] a = new int[20]; Random rand = new Random(); for (int i = 0; i < … |
| | Hey I need something to help me train in C# I would like learn alot, but the pro's became pro by using the system all the time. Any off the pro's that could help me something to work with, give me idea's and how to start with the idea's... |
| | I want develop a asp.net C# web application. I put it in IIS. Now I want make some security function in address bar. For example, I don't want let user skip login page and key in path directly.  |
| | Hello Friends I am developing application in C#...I have created few pages in ASP.NET The sequence is in the following manner 1...Login 2....Secure 3.....Registration but when i type [url]www.localhost\secure.aspx[/url] I am directed to that page However i want to ensure that user has to navigate to the page only in … |
| | Hello, I am trying to translate my Visual Basic program to C#. Right now i am have having problems translating this code [CODE]Private Sub SerialPort1_DataReceived(ByVal sender As System.Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived inchar = SerialPort1.ReadLine IDstr = Microsoft.VisualBasic.Left(inchar, 2) Datastr = Microsoft.VisualBasic.Right(inchar, 6) result = Val("&h" & Datastr) … |
 | [B]How To Find determinant of a metrix using c#???[/B] How to find determinant of a metrix using C #.Please give me the complete coding in C# to find determinant of a metrix.i want to do this problem in console application..expecting reply thank you |
| | I've been away from my C# programming course now for months and am very rusty to say the least. My assignment calls for the creation of a MDI text editor project. I am currently having trouble in coding such that the child form containing a rich text box is recognized …  |
 | Hi everyone; I'm working on a c# service that queries the DB and checks if the right info is available for users. It's an Airline tickets reservation system. I am not sure why my code is breaking after it gets the query and it gives an error about sqlclient.. [CODE] … |
| | Note This app will tell the current Time, requires .net 3.0 |
| | hello i want to know about the c# coding as i know about the theoritical part but when it comes to coding part it creates problem forto write the code so which is the best method to do this.Is there any good book which covers coding part mostly or anything … |
| | hi, actually i wanted to draw two cubes programmatically in C# with only top,front and right portions visible.the top and right portion will have the same dimensions but depending on the parameter width provided by the user,the front portion will increase along the horizontal axis.One cube will increase along the … |
| | Hello all, I used to be relatively well versed in .Net back when 2.0 was still the latest framework and I have stayed out of the loop for a few years. Looking to kick in a new pet project, I am interested in developing in Visual C# / SQL again. … |
| | Hi I'm trying to use the Microsoft.VisualBasic IRR function, but to no success. [code] double[] values = new double[73]; for (int j = 1; j <= 73; j++) { values[j] = C158_Calc; } B162_Calc = Financial.IRR(values, 0.1) * 12; [/code] I'm having trouble in this line: [code] B162_Calc = Financial.IRR(values, …  |
| | hello i have 5 text boxes and labels and database in sql server so just need coding for the next and the previous button any one can help please thanks  |
| | Im developing a website for a company and it is my first time to use ASP.net in c# language. I am expert in graphic designs but slow on programming. please help me how to create a login page using in ASP.NET using c#. :) thanks  |
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