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Tuesday, June 3, 2014
How to check if a byte array is a valid image?
public static bool IsValidImage(byte[] bytes) { try { using (MemoryStream ms = new MemoryStream(bytes)) System.Drawing.Image.FromStream(ms); } catch (ArgumentException) { return false; } return true; }
Convert int to guid in C# and SQL Server
C#
public static Guid Int2Guid(int value) { byte[] bytes = new byte[16]; BitConverter.GetBytes(value).CopyTo(bytes, 0); return new Guid(bytes); }SQL Server
CAST(CONVERT(BINARY(16), REVERSE(CONVERT(BINARY(16), 13))) AS uniqueidentifier)
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