Posts Tagged ‘C#’

How to Convert Generic List To DataTable using C#

I have a task to need to get a DataTable, however, all existing objects are List, I need convert some of those lists to DataTables. Before I wrote my own code to do it. I searched internet and got 2 perfect articles which I need. 1: From DotNet Friends, By patriwala, Convert Generic List In [...]

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Optimizing C#

I got part of content from vcskicks.com  7 Ways To Optimize C# Code 1. Use StringBuilder or String ?   StringBuilder is faster mostly with big strings. This means if you have a loop that will add to a single string for many iterations then a StringBuilder class is definitely much faster than a string [...]

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Fill a pair of data (text and value) to ComboBox .NET 2.0 Windows Application

In .NET 2.0 Windows Application, It is not easy to fill a pair of data (text, value) to a ComboBox, Most of examples just introduced the Display member and value member: comboBox1.DisplayMember = “Desc”; comboBox1.ValueMember = “Code”; comboBox1.DataSource = dt; Now let us don’t use DataSource and DisplayMember way: class CmdPairClass { private string _cmdLongStr; [...]

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How to jump to specified tab page of Tab Control using C# code ?

If you wanna write code to jump to specified tab page of a tab control, you can not use Focus() method. or BringToFront(), Show() etc. The right way is : this.tabControl1.SelectedTab = this.tabPage3 ;

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Public, Private, Protected and Internal in C#

Access Modifiers (from: http://msdn.microsoft.com/en-us/library/ms173121.aspx) All types and type members have an accessibility level, which controls whether they can be used from other code in your assembly or other assemblies. You specify the accessibility of a type or member when you declare it by using one of these access modifiers: public The type or member can [...]

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A site which has Math Interpolation source code

A site which has Math Interpolation source code. The code was written in C++. later I am going to change to C# for a project. Koders site, Interpolation.cpp

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Communicate with USB port using C#

I worked a GUI project using C# for an audio company. This project needs PC GUI program communicate with a hardware board which has a USB port so that the GUI and the board switch data. The hardware board has a micro controller chip (MCU), Actually it is Microchip’s PIC. Then we know we can [...]

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How to load another event from one event in C# (如何在一个事件中调用另一个事件)

Assume we have aready hScrollBar event method: Pravate void hScrollBar1_Scroll(object sender, EventArgs e){ …} Now we would like to load it in a CheckBox event. Normally people will do like this: private void checkBox1_CheckedChanged(object sender, EventArgs e) { this.hScrollBar1_Scroll(null, null); } This can work if you don’t need handle sender or e in hScrollBar1_Scroll under [...]

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