Tuesday, July 2, 2013

Alpha Numeric Auto Increment in .net

Alpha Numeric Increment in .net



       private void button1_Click(object sender, System.EventArgs e)
              {
                     label1.Text = NxtKeyCode( textBox1.Text );
                     textBox1.Text =label1.Text;
              }

              public string NxtKeyCode(string KeyCode)
              {
                     byte[] ASCIIValues = ASCIIEncoding.ASCII.GetBytes(KeyCode) ;
                     int StringLength = ASCIIValues.Length ;
                     bool isAllZed = true;
                     bool isAllNine = true;
                     //Check if all has ZZZ.... then do nothing just return empty string.

                     for(int i =0; i < StringLength-1; i++)
                     {
                           if(ASCIIValues[i] != 90)
                           {
                                  isAllZed  = false;  
                                  break;
                           }
                     }
                     if(isAllZed && ASCIIValues[StringLength-1] == 57)
                     {
                     ASCIIValues[StringLength-1] = 64;
                     }
                    
                     // Check if all has 999... then make it A0
                     for(int i =0; i < StringLength; i++)
                     {
                           if(ASCIIValues[i] != 57)
                           {
                                  isAllNine = false;  
                                  break;
                           }
                     }
                     if(isAllNine)
                     {
                     ASCIIValues[StringLength-1] = 47;
                     ASCIIValues[0] = 65;
                     for(int i =1; i < StringLength-1; i++)
                     {
                     ASCIIValues[i] = 48;
                     }
                     }
                    

                     for(int i = StringLength; i>0; i--)
                     {
                           if(i-StringLength == 0)
                           {
                                  ASCIIValues[i-1] +=1;
                           }
                           if(ASCIIValues[i-1] == 58)
                           {
                                  ASCIIValues[i-1] = 48;
                                  if(i-2 ==-1)
                                  {
                                         break;
                                  }
                                  ASCIIValues[i-2] += 1;
                           }
                           else if(ASCIIValues[i-1] == 91)
                           {
                                  ASCIIValues[i-1] = 65;
                                  if(i-2 ==-1)
                                  {
                                         break;
                                  }
                                  ASCIIValues[i-2] += 1;
                    
                           }
                           else
                           {
                                  break;
                           }
                    
                     }     
                     KeyCode = ASCIIEncoding.ASCII.GetString(ASCIIValues);
                     return KeyCode;
              }
              public string NxtKeyCod(string KeyCode)
              {
                     //int startint = KeyCode.IndexOf("0123456789",0,1);
                     StringBuilder sb = new StringBuilder();
                     //Regex digitregex = new Regex("^[A-Z])");
                     //KeyCode = digitregex.Replace(KeyCode, "");
             
                     return KeyCode;
              }



DESIGN

















OUTPUT

Alpha Numeric Auto increment





















Click Here TO Download Alpha Numeric Auto Increment in .net exe


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