Please refer the following link if you want to integrate the Facebook controls in your windows as well as web applications.
To download the Facebook developer kit use the following URL.
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=CCD46762-45EC-4FBE-AD91-FC916671E734&displaylang=en
And to integrate the Facebook controls in your applications use the following URL.
http://www.stevetrefethen.com/blog/DevelopingFacebookApplicationsInCWithASPNET.aspx
Use the following URL to put the Like button of the Facebook in your applications.
http://developers.facebook.com/docs/reference/plugins/like-box
Tuesday, November 23, 2010
Thursday, November 11, 2010
Formatting Dates, Times and Numbers in ASP.NET
Please check the following link to format the dates,numbers and Time in Asp.Net.
Thursday, November 4, 2010
File upload content types
If we are uploading the file and if we want to know the exact extension of the file then, please use the following code.
public bool GetActualFileType(Stream stream)
{
try
{
using (System.IO.BinaryReader sr = new System.IO.BinaryReader(stream))
{
byte[] header = new byte[16];
sr.Read(header, 0, 16);
StringBuilder hexString = new StringBuilder(header.Length);
for (int i = 0; i < header.Length; i++)
{
hexString.Append(header[i].ToString("X2"));
}
string FileTypeCode = GetFileTypeByCode(hexString.ToString());
if (FileTypeCode == "undefined")
{
return false;
}
else
{
return true;
}
}
}
catch (Exception ex)
{
return false;
}
}
private string GetFileTypeByCode(string code)
{
Dictionary fileheadlist = new Dictionary();
fileheadlist.Add(".xls", "D0CF11E0A1B11AE10000000000000000");
fileheadlist.Add(".xlsx", "504B0304140006000800000021005856");
fileheadlist.Add(".doc", "D0CF11E0A1B11AE10000000000000000");
fileheadlist.Add(".docx", "504B030414000600080000002100DDFC");
fileheadlist.Add(".ppt", "D0CF11E0A1B11AE10000000000000000");
fileheadlist.Add(".pptx", "504B03041400060008000000210036F7");
fileheadlist.Add(".avi", "41564920");
fileheadlist.Add(".ram", "2E7261FD");
fileheadlist.Add(".rm", "2E524D46");
fileheadlist.Add(".mpg", "000001BA");
fileheadlist.Add("MPEG(.mpg)", "000001B3");
fileheadlist.Add(".mov", "6D6F6F76");
fileheadlist.Add(".asf", "3026B2758E66CF11");
fileheadlist.Add(".MP4", "000000206674797069736F6D");
fileheadlist.Add(".mp3", "49443303000000050F76545045320000");
fileheadlist.Add(".pdf", "255044462D312E");
fileheadlist.Add("GIF", "47494638");
fileheadlist.Add("PNG", "89504E47");
fileheadlist.Add("JPEG", "FFD8FF");
fileheadlist.Add("TIFF", "49492A00");
fileheadlist.Add("Windows Bitmap (bmp)", "424D");
fileheadlist.Add("CAD (dwg)", "41433130");
fileheadlist.Add("Adobe Photoshop (psd)", "38425053");
fileheadlist.Add("Rich Text Format (rtf)", "7B5C727466");
fileheadlist.Add("XML (xml)", "3C3F786D6C");
fileheadlist.Add("HTML (html)", "68746D6C3E");
fileheadlist.Add("Email [thorough only](eml)", "44656C69766572792D646174653A");
fileheadlist.Add("Outlook Express (dbx)", "CFAD12FEC5FD746F");
fileheadlist.Add("Outlook (pst)", "2142444E");
fileheadlist.Add("MS Access (mdb)", "5374616E64617264204A");
fileheadlist.Add("WordPerfect (wpd)", "FF575043");
fileheadlist.Add("Postscript. (eps.or.ps)", "252150532D41646F6265");
fileheadlist.Add("Quicken (qdf)", "AC9EBD8F");
fileheadlist.Add("ZIP Archive (zip)", "504B0304");
fileheadlist.Add("RAR Archive (rar)", "52617221");
fileheadlist.Add("Wave (wav)", "57415645");
fileheadlist.Add("MIDI (mid)", "4D546864");
fileheadlist.Add("3GP", "000000146674797033677034");
var vals = from p in fileheadlist
where code.StartsWith(p.Value)
select p;
KeyValuePair result = vals.First();
foreach (var i in vals)
{
if (i.Value.Length > result.Value.Length)
{
result = i;
}
}
return result.Key ?? "other";
}
Courtesy: http://forums.asp.net/p/1554764/3829152.aspx
public bool GetActualFileType(Stream stream)
{
try
{
using (System.IO.BinaryReader sr = new System.IO.BinaryReader(stream))
{
byte[] header = new byte[16];
sr.Read(header, 0, 16);
StringBuilder hexString = new StringBuilder(header.Length);
for (int i = 0; i < header.Length; i++)
{
hexString.Append(header[i].ToString("X2"));
}
string FileTypeCode = GetFileTypeByCode(hexString.ToString());
if (FileTypeCode == "undefined")
{
return false;
}
else
{
return true;
}
}
}
catch (Exception ex)
{
return false;
}
}
private string GetFileTypeByCode(string code)
{
Dictionary
fileheadlist.Add(".xls", "D0CF11E0A1B11AE10000000000000000");
fileheadlist.Add(".xlsx", "504B0304140006000800000021005856");
fileheadlist.Add(".doc", "D0CF11E0A1B11AE10000000000000000");
fileheadlist.Add(".docx", "504B030414000600080000002100DDFC");
fileheadlist.Add(".ppt", "D0CF11E0A1B11AE10000000000000000");
fileheadlist.Add(".pptx", "504B03041400060008000000210036F7");
fileheadlist.Add(".avi", "41564920");
fileheadlist.Add(".ram", "2E7261FD");
fileheadlist.Add(".rm", "2E524D46");
fileheadlist.Add(".mpg", "000001BA");
fileheadlist.Add("MPEG(.mpg)", "000001B3");
fileheadlist.Add(".mov", "6D6F6F76");
fileheadlist.Add(".asf", "3026B2758E66CF11");
fileheadlist.Add(".MP4", "000000206674797069736F6D");
fileheadlist.Add(".mp3", "49443303000000050F76545045320000");
fileheadlist.Add(".pdf", "255044462D312E");
fileheadlist.Add("GIF", "47494638");
fileheadlist.Add("PNG", "89504E47");
fileheadlist.Add("JPEG", "FFD8FF");
fileheadlist.Add("TIFF", "49492A00");
fileheadlist.Add("Windows Bitmap (bmp)", "424D");
fileheadlist.Add("CAD (dwg)", "41433130");
fileheadlist.Add("Adobe Photoshop (psd)", "38425053");
fileheadlist.Add("Rich Text Format (rtf)", "7B5C727466");
fileheadlist.Add("XML (xml)", "3C3F786D6C");
fileheadlist.Add("HTML (html)", "68746D6C3E");
fileheadlist.Add("Email [thorough only](eml)", "44656C69766572792D646174653A");
fileheadlist.Add("Outlook Express (dbx)", "CFAD12FEC5FD746F");
fileheadlist.Add("Outlook (pst)", "2142444E");
fileheadlist.Add("MS Access (mdb)", "5374616E64617264204A");
fileheadlist.Add("WordPerfect (wpd)", "FF575043");
fileheadlist.Add("Postscript. (eps.or.ps)", "252150532D41646F6265");
fileheadlist.Add("Quicken (qdf)", "AC9EBD8F");
fileheadlist.Add("ZIP Archive (zip)", "504B0304");
fileheadlist.Add("RAR Archive (rar)", "52617221");
fileheadlist.Add("Wave (wav)", "57415645");
fileheadlist.Add("MIDI (mid)", "4D546864");
fileheadlist.Add("3GP", "000000146674797033677034");
var vals = from p in fileheadlist
where code.StartsWith(p.Value)
select p;
KeyValuePair
foreach (var i in vals)
{
if (i.Value.Length > result.Value.Length)
{
result = i;
}
}
return result.Key ?? "other";
}
Courtesy: http://forums.asp.net/p/1554764/3829152.aspx
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