C# csharp read from file write into file

public static string ReadFile(string f){
            System.IO.StreamReader file = new System.IO.StreamReader(f);
            string testxmldata = file.ReadToEnd(); file.Close();
            return testxmldata;
        }
public  void WriteIntoFile(string path,string m) {
                if (!File.Exists(path)) {
                    // Create a file to write to.
                    using (StreamWriter sw = File.CreateText(path)) {
                        sw.WriteLine(m);
                    }
                }
                else {
                    // This text is always added, making the file longer over time
                    // if it is not deleted.
                    using (StreamWriter sw = File.AppendText(path)) {
                        sw.WriteLine(m);
                    }
                }
}

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remove bing from internet explorer

Go to this page and setup different provider (google for example):
http://www.ieaddons.com/en/searchproviders

In internet explorer menu open Tools/Manage addons /Search providers
Right click on Bing, then select remove from popup menu.

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Passing NULL values to SqlCommand.Parameters.AddWithValue

this code might help

       
SqlCommand sqlCmd = new SqlCommand(sqlStatment, dbConn);
sqlCmd.Parameters.AddWithValue("@Name", name);
sqlCmd.Parameters.AddWithValue("@Surname", surname);
foreach (SqlParameter Parameter in sqlCmd.Parameters)
{
        if (Parameter.Value == null)
        {
                Parameter.Value = DBNull.Value;
        }
}

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The wave header is corrupt fix Or how to play wav file with System.Media.SoundPlayer in dot.Net C#

1.add this MediaPlayer class

class MediaPlayer
{
    System.Media.SoundPlayer soundPlayer;
    public MediaPlayer(byte[] buffer)
    {
        MemoryStream memoryStream = new MemoryStream(buffer, true);
        soundPlayer = new System.Media.SoundPlayer(memoryStream);
    }
    public void Play()  {soundPlayer.Play();}
    public void Play(byte[] buffer)
    {
        soundPlayer.Stream.Seek(0, SeekOrigin.Begin);
        soundPlayer.Stream.Write(buffer, 0, buffer.Length);
        soundPlayer.Play();
    }
}

2. Then file playing procedure will be looking like this:

private void PlayMyFile()
  {
      string file1 = @"c:\sample.wav";
      List<byte> soundBytes = new List<byte>(File.ReadAllBytes(file1));
      //create media player loading the first half of the sound file
      MediaPlayer mPlayer = new MediaPlayer(soundBytes.ToArray());
      //begin playing the file
      mPlayer.Play();
      }

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C# generic list copy with constructor

     
using System;
using System.Collections;
using System.Collections.Generic;
namespace Business.Web.Models {
    public class DtoMapper {
      // this is generic method replacing non-generic metod 
      // InvoiceDto_OLD provided in source below   
        public List<T2> Transform<T1,T2>(List<T1> i, Func<T1,T2> del)
        {
            List<T2> ret = new List<T2>();

            foreach (T1 val in i) {
                ret.Add(del(val));
            }
            return ret;
        }

        // generic method can be called as follows:
         public List<InvoiceDto> InvoiceDto(List<Invoice> i) {
            return Transform<Invoice,InvoiceDto> (i.ToList(),l=>new InvoiceDto(l));
         }

        //  this is sample of old non-generic method 
        public List<InvoiceDto> InvoiceDto_OLD(List<Invoice> i) {
            List<InvoiceDto> ret = new List<InvoiceDto>();

            foreach (Invoice invoice in i) {
                ret.Add(new InvoiceDto(invoice) );
            }
            return ret;
        }
    }
}
    

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view GAC, add dll to GAC

to view registred dlls in GAC open this folder in explorer:
C:\WINDOWS\assembly

To Register GAC , use following command:
c:\Program Files\Microsoft Visual Studio 8\SDK\v2.0\Bin\gacutil.exe /i [mydll]
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SQL: Insert value into identity field

SET IDENTITY_INSERT [yourtablename]ON

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To analyze website with FxCop

Open FxCop click newProject/AddTargets and find your website compiled here:
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\[yourwebsitename]
Press Ctrl+A and add all dlls.

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open web page in android application:

don't forget to set permission

package com.test2;
import android.app.Activity;
import android.os.Bundle;
public class MainActivity extends Activity {
    /** Called when the activity is first created. */
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
     }
     @Override
     protected void onStart() {
        // TODO Auto-generated method stub
        super.onStart();
           android.webkit.WebView wv =
                   (android.webkit.WebView)this.findViewById(R.id.WebView01);
                        wv.loadUrl("http://sourcefield.blogspot.com");
     }
}

Could not load file or assembly Microsoft.ReportViewer.WebForms:

usually it's located into c:\Program Files\Microsoft Visual Studio 9.0\ReportViewer\

For visual Studio 2005 run this installer to add this to GAC:
C:\Program Files\Microsoft Visual Studio 8\SDK\v2.0\BootStrapper\Packages\ReportViewer\ReportViewer.exe
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fix:android.webkit.WebView

In order to allow WebView to display pages,android.permission.INTERNET permission has to be added :

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

Can also be edited graphically in Eclipse plugin through permissions tab.

AutoHotkey autoplayer for Online games

Here is auto-click script for 'point and click' games , you will need AutoHotkey and save this as .ahk file .

SetKeyDelay, 75, 75
;Exits AutoHotKey application.
$^CapsLock::
   ExitApp
return
;Pauses AutoHotKey Script.
F6::Pause, Toggle, 1
$x::
        Loop {
          MouseClick
           sleep 10
        }

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C# source to find XML tag recursively

 [TestFixture]
public class test
{
    [Test]
    public void XPathTest()
        XmlDocument doc = new XmlDocument();
            doc.Load(@"c:\LinqObjects.xsd");

            foreach (XmlNode node in doc.DocumentElement.ChildNodes)
            {
                ProcesNode(node, doc.DocumentElement.Name);
            }
     }



        private void ProcesNode(XmlNode node, string parentPath)
        {
            if (!node.HasChildNodes || ((node.ChildNodes.Count == 1) && (node.FirstChild is System.Xml.XmlText)))
            {
                if (node.Name == "Parameter")
                {
                    //System.Diagnostics.Debug.WriteLine(parentPath + "/" + node.Name);                
                }
            }
            else
            {
                foreach (XmlNode child in node.ChildNodes)
                {
                    ProcesNode(child, parentPath + "/" + node.Name);
                }
            }
        }
} 

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games sources (win):

Aquaria,
Gish,
Penumbra
Lugaru!



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