C# Programing

C Sharp DataGridView Database Operations

338 ViewsThe DataGridView can display data in Bound mode, unbound mode and Virtual mode . Bound mode is suitable for managing data using automatic interaction with the data store. One very common use of the DataGridView control is binding to a table in a database. Unbound mode is suitable for …

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Encrypt and Decrypt Using Class

406 Views public string DecryptString(string encrString) {     byte[] b;     string decrypted;     try     {         b = Convert.FromBase64String(encrString);         decrypted = System.Text.ASCIIEncoding.ASCII.GetString(b);     }     catch (FormatException fe)     {         decrypted = “”;     }     return decrypted; } public string EnryptString(string strEncrypted) {     byte[] b = System.Text.ASCIIEncoding.ASCII.GetBytes(strEncrypted);     string encrypted = Convert.ToBase64String(b);     return encrypted; } Still The above code is not enough for me because I want to do something with my choice. Then I had implemented the code with specify charter …

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Encrypt and Decrypt with Character Choice

240 Viewspublic string encrypt(string encryptString) { string EncryptionKey = “0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ”; byte[] clearBytes = Encoding.Unicode.GetBytes(encryptString); using(Aes encryptor = Aes.Create()) { Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 }); encryptor.Key = pdb.GetBytes(32); encryptor.IV = pdb.GetBytes(16); using(MemoryStream ms = …

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Encrypting & Decrypting a String in C#

282 Viewsusing System.IO; using System.Text; using System.Security.Cryptography; public static class EncryptionHelper { public static string Encrypt(string clearText) { string EncryptionKey = "abc123"; byte[] clearBytes = Encoding.Unicode.GetBytes(clearText); using (Aes encryptor = Aes.Create()) { Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, …

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Sale Price Calculator

223 Views // Gaddis Code from text with slight mods (Wyatt) // // Terry T Trainer CIS 202 3/22/2013 /* Calculates Sale Price of Item from Price and Discount %            get price -  must Parse!       get discount % - must Parse!       calculate calculate discount       calculate sale price = price …

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what is C# – Delegates

294 ViewsC# delegates are similar to pointers to functions, in C or C++. A delegate is a reference type variable that holds the reference to a method. The reference can be changed at runtime. Delegates are especially used for implementing events and the call-back methods. All delegates are implicitly derived …

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