Dot Net Tonic

How to convert byte array to string in C#

2009-05-05T14:40:00.004+05:30

public static string ConvertByteArrayToString(byte[] b)
{
string str = string.Empty;
System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
if (b != null)
{
str = enc.GetString(b);
}
return str;
}

How to convert string to byte array in C#

2009-05-05T14:38:00.002+05:30

public static byte[] ConvertStringToByteArray(string strIN)
{
System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
return enc.GetBytes(strIN);
}

How to fetch team project names from TFS

2009-05-02T17:51:00.000+05:30

First thing you need to add references of using Microsoft.TeamFoundation.Client;
using Microsoft.TeamFoundation.WorkItemTracking.Client; in your project.

private void GetTeamProjects(string uid,string pwd,string tfServerName)
{
NetworkCredential account = new NetworkCredential(uid, pwd);
TeamFoundationServer teamServer = new TeamFoundationServer(tfServerName, account);
ArrayList alProjects = new ArrayList();
if (teamServer.HasAuthenticated)
{
WorkItemStore workItemStore = new WorkItemStore(teamServer);
foreach (Project pr in workItemStore.Projects)
{
alProjects.Add(pr.Name);
}
}
}

How to edit configuration variables in App.config file in C#

2009-05-02T16:40:00.000+05:30

private void SetAppConfig(string key, string value)
{
try
{
Trace.WriteLine("Setting the configuration file...");
string docName = System.Reflection.Assembly.GetEntryAssembly().Location + ".config";
XmlDocument doc = new XmlDocument();
doc.Load(docName);
XmlNode node = doc.SelectSingleNode("//appSettings");
XmlElement addElem = (XmlElement)node.SelectSingleNode("//add[@key='" + key + "']");
if (addElem != null)
{
addElem.SetAttribute("value", value);
}
XmlTextWriter writer = new XmlTextWriter(docName, null);
writer.Formatting = Formatting.Indented;
doc.WriteTo(writer);
writer.Flush();
writer.Close();
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}

How to remove all files and directories at inner level from directory in C#

2009-05-02T16:24:00.000+05:30

private void RemoveFilesAndDirectory(DirectoryInfo targetDir)
{
foreach (DirectoryInfo targetSubDir in targetDir.GetDirectories())
{
DirectoryInfo di = new DirectoryInfo(targetSubDir.FullName);
RemoveFilesAndDirectory(di);
}
foreach (FileInfo fileName in targetDir.GetFiles())
{
File.Delete(fileName.FullName);
}
targetDir.Delete();
}

How to copy all files and directories at inner level from source to destination directory in C#

2009-05-02T16:17:00.000+05:30

private void CopyFilesAndDirectories(DirectoryInfo sourceDir, DirectoryInfo targetDir)
{
if (!Directory.Exists(targetDir.FullName))
{
Directory.CreateDirectory(targetDir.FullName);
}
foreach (FileInfo fi in sourceDir.GetFiles())
{
fi.CopyTo(Path.Combine(targetDir.ToString(), fi.Name), true);
}
foreach (DirectoryInfo sourceSubDir in sourceDir.GetDirectories())
{
DirectoryInfo nextTargetSubDir = targetDir.CreateSubdirectory(sourceSubDir.Name);
CopyFilesAndDirectories(sourceSubDir, nextTargetSubDir);
}
}

How to fetch System DSN names in C#

2009-05-02T15:05:00.000+05:30

First thing you have to include namespace using Microsoft.Win32; to deal with Registry.

private string[] GetSystemDSNNames()
{
RegistryKey reg = null;
reg = (Registry.LocalMachine).OpenSubKey(@"Software\ODBC\ODBC.INI\ODBC Data Sources");
if (reg != null)
{
return reg.GetValueNames();
}
else
{
return null;
}
}

How to read byte array from file in C#

2009-05-01T15:50:00.001+05:30

public byte[] ReadArrayBytesFromFile(string fileName)
{
byte[] buffer = null;
FileStream fStrm = new FileStream(fileName, FileMode.Open, FileAccess.Read);
BinaryReader binRead = new BinaryReader(fStrm);
long numBytes = new FileInfo(fileName).Length;
buffer = binRead.ReadBytes((int)numBytes);
return buffer;
}