From server Test Client speed, C# 
Tuesday, August 26, 2008, 06:32 PM - 。NET C#
using System.Management;
#region //ping
/// <summary>
/// Get client speed by ping bytes/million second, bytes/ms
/// </summary>
/// <param name="Target"></param>
/// <returns></returns>
public static int Ping(string Target)
{
int Time=10;

try
{
Time=0;
SelectQuery query = new SelectQuery("Win32_PingStatus", string.Format("Address='{0}'", Target));
ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);

foreach (ManagementObject result in searcher.Get())
{

for(int i=0;i<20;i++)
{
if (result["StatusCode"] != null && (0 == (UInt32)result["StatusCode"])&&result["ResponseTime"]!=null)//connected
{
Time=Time+Convert.ToInt32(result["ResponseTime"]);
}
}
}

Time=Time/20;
}
catch{}

if (Time==0)
Time=10;

return 32/Time;
}
#endregion

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Expression Validation 
Wednesday, June 18, 2008, 05:05 PM - 。NET C#
Float
(\+|-)?([0-9]+\.?[0-9]*|\.[0-9]+)([eE](\+|-)?[0-9]+)?

Number:
\d{1,}

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Add Confirmbox in C# .NET 
Tuesday, May 13, 2008, 03:15 PM - 。NET C#
Me.BtnDelete.Attributes.Add("onclick", _
"return confirm('Are you sure you want to delete?');")

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How to remove recent projects from Visual Studio Start Page 
Saturday, May 3, 2008, 09:28 AM - 。NET C#
1. Close Visual Studio if it is running.
2. Start the Registry Editor (run regedit).
Registry Editor
3. Navigate to this registry key:
HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\8.0\ProjectMRUList
Registry Editor 2
4. Then delete the key that has the project you do not want to keep in the list.


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Run command in C# 
Tuesday, July 17, 2007, 08:13 PM - 。NET C#
System.Diagnostics.Process process1;
process1= new System.Diagnostics.Process();

//Do not receive an event when the process exits.
process1.EnableRaisingEvents = false;


string strCmdLine="/C curl -E \""+CertFile+"\":\""+CertPass+"\" -F orgid="+OrgID+" -F batchid="+this.BatchID+" -F userid="+PDSOID+" -F xml=@\""+this.XMLFilePath+this.XMLFileName+"\" "+UploadURL+" -o \""+this.XMLFilePath+"\\ServerResponse.xml\"";
try
{
System.Diagnostics.ProcessStartInfo sinf = new System.Diagnostics.ProcessStartInfo ("cmd.exe", @strCmdLine);
sinf.UseShellExecute = false;
sinf.CreateNoWindow = true;

process1.StartInfo=sinf;

process1.Start();
process1.WaitForExit();
process1.Close();

// or System.Diagnostics.Process.Start("cmd.exe",@strCmdLine);

this.ReadTransferLog("ServerResponse.xml");

return this.TranStatus;
}
catch (Exception ex)
{
process1.Kill();
npuInfoDB.DBConnection.LogErrorMessage(strCmdLine+"\n"+ex.Message);
return false;
}

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