a blog by Sameer
In this post i am going to explain a simple login application in windows c# . In this App we will cover few concepts like login concept with database connection, working with multiple forms in windows c# , passing values from one form to another form , adding local database… Continue Reading Simple Login Application in Windows C#
Sameer Shaik
C PROGRAM TO FIND WHETHER STRING IS PALINDROME :
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 |
#include<stdio.h> #include<string.h> main() { char str1[25],str2[25]; printf("\n *** C Programs Blog ***"); printf("\n >>> C Program to find whether string is Palindrome <<<"); printf("\n\n Enter the string: "); scanf("%s",str1); strcpy(str2,str1); //copying str1 in str2 strrev(str2); //reversing str2 if(strcmp(str1,str2) == 0) //checking whether str1 and atr2 are same { printf("\n Entered string " %s " is a Palindrome",str1); } else { printf("\n Entered string " %s " is not a Palindrome",str1); } getch(); } |
Sameer Shaik
|
1 2 3 4 5 6 7 8 9 |
#include<stdio.h> main(int argc, char *argv[]) { char *p=argv[0]; printf("\n *** C PROGRAMS BLOG ***"); printf("\n >>> C PROGRAM TO PRINT NAME OF SOURCE PROGRAM <<< \n"); printf("\n Program name is : %s ",p); getch(); } |
Sameer Shaik
We can use Regular Expression to validate indian pan card number in textbox . Regular expression for India Pan Card Number
|
1 |
^([a-zA-Z]){5}([0-9]){4}([a-zA-Z]){1}?$ |
Visit Post : TEXTBOX VALIDATION FOR INDIAN PAN CARD NUMBER USING TEXTBOX VALIDATING EVENT
Sameer Shaik
C PROGRAM TO CHECK WHETHER GIVEN YEAR IS LEAP YEAR OR NOT
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 |
#include<stdio.h> void LeapYear(int); void main() { int year; printf("\n *** C PROGRAMS BLOG *** \n"); printf("\n >>>> C PROGRAM TO CHECK WHETHER GIVEN YEAR LEAP YEAR OR NOT <<<< \n"); printf("\n Enter the year : "); scanf("%d",&year); LeapYear(year); getch(); return 0; } void LeapYear(int yr) { int rem1,rem2; rem1 = yr%4 ; //rem1 = 0 for leap year rem2 = yr%100; //rem2! = 0 for leap year if((rem1 == 0) && (rem2!=0) || yr%400 == 0) { printf("\n The given year %d is Leap Year..",yr); } else { printf("\n The given year %d is Not Leap Year..",yr); } } |
Sample Output :
Sameer Shaik
C PROGRAM TO FIND ROOTS OF QUADRATIC EQUATION
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 |
#include<stdio.h> #include<math.h> int main() { float a,b,c,x,y,disc,p,q,r; printf("n *** C PROGRAMS BLOG ***"); printf("n >>>> C PROGRAM TO FIND ROOTS OF QUADRATIC EQUATION <<<<"); printf("n Enter the values of a,b,c : "); scanf("%f %f %f",&a,&b,&c); disc=(b*b)-(4*a*c); if(disc == 0) { x=(-b)/(2*a); y=x; printf("n Roots are Equal.."); printf("n x= %f , y= %f",x,y); } else if(disc < 0) { p=(-b)/(2*a); q=sqrt(-disc)/(2*a); printf("n Roots are Complex and Imaginary.."); printf("n x= %f+%fi , y= %f-%fi",p,q,p,q); } else if(disc > 0) { r=sqrt(disc); x=((-b)+r)/(2*a); y=((-b)-r)/(2*a); printf("n Roots are Real Numbers.."); printf("n x= %f , y= %f",x,y); } else if(a==0) { x=(-c)/b; printf("n Root is x = %f ",x); } getch(); return 0; } |
Sameer Shaik
C# PROGRAM TO GET FILE NAMES IN THE GIVEN DIRECTORY original post
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 |
using System; using System.IO; namespace GetFileNames { class Program { static void Main(string[] args) { try { string FolderPath ; string[] Files; Console.WriteLine(" Enter the Directory Path to get File Names in it : "); FolderPath=Console.ReadLine(); Files = Directory.GetFiles(FolderPath); Console.WriteLine("\n The FileNames with extension in given Directory are : \n\n"); foreach (string FileName in Files) { // Create the FileInfo object only when needed to ensure // the information is as current as possible. System.IO.FileInfo fi = null; try { fi = new System.IO.FileInfo(FileName); } catch (System.IO.FileNotFoundException ex) { // To inform the user and continue is // sufficient for this demonstration. // Your application may require different behavior. Console.WriteLine(ex.Message); continue; } Console.WriteLine("{0}", fi.Name); // Console.WriteLine("{0}", fi.Directory); //prints filepath // Console.WriteLine("{0}", fi.DirectoryName); // prints directorypath } Console.ReadLine(); } catch (DirectoryNotFoundException ex) { Console.BackgroundColor = ConsoleColor.Red; Console.WriteLine("\n\n Directory Not Found..Press any key to exit..."); Console.ReadKey(); } } } } |
Sample Output 1: Sample Output 2:
Sameer Shaik
C# PROGRAM TO GET ALL FILE PATHS IN A GIVEN DIRECTORY original post
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 |
using System; using System.IO; namespace GetFileNames { class Program { static void Main(string[] args) { try { string FolderPath ; string[] Files; Console.WriteLine(" Enter the Directory Path to get File Names in it : "); FolderPath=Console.ReadLine(); Files = Directory.GetFiles(FolderPath); Console.WriteLine("\n The FilePaths in given Directory are : \n\n"); foreach (string FileName in Files) { Console.WriteLine(FileName); } Console.ReadLine(); } catch (DirectoryNotFoundException ex) { Console.BackgroundColor = ConsoleColor.Red; Console.WriteLine("\n\n Directory Not Found..Press any key to exit..."); Console.ReadKey(); } } } } |
Sample Output 1 : Sample Output 2 :
Sameer Shaik
C PROGRAM EXAMPLE FOR toupper() FUNCTION :
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
#include <stdio.h> //#include<string.h> int main() { int i; char str[20]; printf("\n >>> C PROGRAM TO IMPLEMENT toupper() FUNCTION <<< \n"); printf( "\n Enter the string in Lower or Mixed Case: "); //scanf("%s",&str); //scanf() wont allow spaces gets(str); //gets() allows apaces printf("\n The entered string in Upper Case is: "); for(i=0;i<=strlen(str);i++) { printf("%c",toupper(str[i])); } getch(); return 0; } |
Sameer Shaik
C PROGRAM EXAMPLE FOR tolower() FUNCTION
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
#include <stdio.h> //#include<string.h> int main() { int i; char str[20]; printf("\n >>> C PROGRAM TO IMPLEMENT tolower() FUNCTION <<< \n"); printf("\n Enter the string in Caps or Mixed Case: "); //scanf("%s",&str); //wont allow spaces gets(str); //gets() allows apaces printf("\n The entered string in Lower Case is: "); for(i=0;i<=strlen(str);i++) { printf("%c",tolower(str[i])); } getch(); return 0; } |
Sameer Shaik
C PROGRAM TO PERFORM ARITHMETIC OPERATIONS USING SWITCH LOOP :
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 |
#include<stdio.h> void main() { float value1,value2; char operator; printf("\n >>> PROGRAM TO PERFORM ARITHMETIC OPERATIONS USING SWITCH LOOP <<< \n"); printf("\n Enter Your Expression : "); scanf("%f %c %f",&value1,&operator,&value2); switch(operator) { case '+' : printf("\n Addition Result is : %f \n",value1+value2); break; case '-' : printf("\n Subtraction Result is : %f \n",value1-value2); break; case '*' : printf("\n Multiplication Result is : %f \n",value1*value2); break; case '/' : printf("\n Division Result is : %f \n",value1/value2); break; default : printf("\n Unknown operator"); break; } getch(); } |
Sameer Shaik
A Web Application is an Application Software stored on Web Server or Server and users can access it over a network such as Internet or Intranet through a Web Browser as Interface. In other words it is a Browser Supported programs written using Web Technologies . It is also called… Continue Reading What is Web Application or Web App ?
Sameer Shaik
A website is a site or location on WorldWideWeb which is a collection of related WebPages over the internet . Each website contains a HomePage . When we enter any website address, then the first webpage opened is the HomePage of that website. A WebSite can be hosted on one or… Continue Reading What is WebSite or Website Definition
Sameer Shaik
A web page is a web document or document on world wide web. webpages are commonly written in HyperText Markup Language (HTML) that is accessible through the Internet or other network using a web browser. Every web page over a internet has its unique URL through which it can be accessed. A Web Page may… Continue Reading What is a Web Page ??
Sameer Shaik
original post
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 |
using System; namespace FactorialOfNumber { class Program { static void Main(string[] args) { int num, i, fact = 1; //clrscr(); Console.WriteLine("\n >>C# PROGRAM TO FIND FACTORIAL OF GIVEN NUMBER <<\n"); Console.Write("\n Enter the Number whose Factorial you want: "); num=Convert.ToInt32(Console.ReadLine()); for (i = num; i >= 2; i--) //i is intializing with num value and is decremented till 2 { fact = fact * i; //fact is updating with changing value of i } Console.WriteLine("\n The factorial of {0} is {1}.\n\n", num, fact); Console.ReadLine(); } } } |
For C Program : C Program to find the Factorial of Given Number
Sameer Shaik
C# Program to find whether the Number is Palindrome or not original post
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 |
using System; namespace NumberPalindrome { class Program { static void Main(string[] args) { int num, rem, sum = 0, temp; //clrscr(); Console.WriteLine("\n >>>> To Find a Number is Palindrome or not <<<< "); Console.Write("\n Enter a number: "); num = Convert.ToInt32(Console.ReadLine()); temp = num; while (Convert.ToBoolean(num)) { rem = num % 10; //for getting remainder by dividing with 10 num = num / 10; //for getting quotient by dividing with 10 sum = sum * 10 + rem; /*multiplying the sum with 10 and adding remainder*/ } Console.WriteLine("\n The Reversed Number is: {0} \n", sum); if (temp == sum) //checking whether the reversed number is equal to entered number { Console.WriteLine("\n Number is Palindrome \n\n"); } else { Console.WriteLine("\n Number is not a palindrome \n\n"); } Console.ReadLine(); } } } |
Output 1: Output 2: For C Program: C Program To Find The Number Palindrome or Not
Sameer Shaik
C# PROGRAM TO PRINT THE REVERSE OF A GIVEN NUMBER original post
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 |
using System; namespace ReverseNumber { class Program { static void Main(string[] args) { int num, rem, sum = 0, rev; Console.WriteLine("\n /** To Find Reverse Of a Number **/"); Console.Write("\n Enter a number: "); num=Convert.ToInt32(Console.ReadLine()); while (Convert.ToBoolean(num)) { rem = num % 10; //for getting remainder by dividing with 10 num = num / 10; //for getting quotient by dividing with 10 sum = sum * 10 + rem; } rev = sum; Console.WriteLine("\n The Reversed Number is: {0} \n\n", rev); Console.ReadLine(); } } } |
For C Program : C Program To Find The Reverse Of a Given Number
Sameer Shaik
C# PROGRAM FOR IMPLEMENTING PRODUCT OF MATRICES USING ARRAYS : original post
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 |
using System; namespace MatrixMultiplication { class Program { static void Main(string[] args) { //using 2D-ARRAYS int RowSize = 5, ColSize = 5; int[,] Matrix1 = new int[RowSize, ColSize]; int[,] Matrix2 = new int[RowSize, ColSize]; int[,] ResultMatrix = new int[RowSize, ColSize]; int i, j; try { Console.WriteLine("\n >>> PROGRAM To PRINT PRODUCT OF TWO MATRICES <<<"); Console.Write("\n Enter the Size of a Matrix N*N (For Example:3*3) : "); string s = Console.ReadLine(); string[] values = s.Split('*'); RowSize = int.Parse(values[0]); ColSize = int.Parse(values[1]); if (RowSize > 5 || ColSize > 5) //limiting the size of matrix { Console.BackgroundColor = ConsoleColor.DarkRed; //changing background color to red Console.WriteLine(" The Size Of Matrix should Be in Less Than 5 (limiting size of array)"); System.Console.ResetColor(); ///resetting color Console.WriteLine("\n\n\t Press Enter key to exit...."); Console.ReadKey(); return; } else { //Initializing all the elements to zero for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Matrix1[i, j] = 0; Matrix2[i, j] = 0; } } //Reading elements of Matrix1 Console.WriteLine("\n Enter the elements of Matrix1({0}*{1})", RowSize, ColSize); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Console.Write(" Matrix1[{0},{1}] : ", i, j); Matrix1[i, j] = Convert.ToInt32(Console.ReadLine()); } } //Reading elements of Matrix2 Console.WriteLine("\n Enter the elements of Matrix2({0}*{1})", RowSize, ColSize); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Console.Write(" Matrix2[{0},{1}] : ", i, j); Matrix2[i, j] = Convert.ToInt32(Console.ReadLine()); } } //calculating ResultMatrix, by by multiplying Matrix1 and Matrix2 for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { ResultMatrix[i, j] = Matrix1[i, j] * Matrix2[i, j]; } } //Printing Result Matrix Console.Write("\n\n\t*** Result Matrix ***\n\n\t"); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { if (ResultMatrix[i, j] < 10) { //Making number as 01,02,etc,. Console.Write(" 0" + Convert.ToString(ResultMatrix[i, j])); } else { Console.Write(" " + Convert.ToString(ResultMatrix[i, j])); } if (j == ColSize - 1) { Console.Write("\n\t"); } } } } } catch //to catch exceptions,suppose string entered as aRowSize or Colsize of matrix { Console.BackgroundColor = ConsoleColor.DarkRed; Console.WriteLine("WARNING:only Number are allowed, Enter Correct Input"); Console.ResetColor(); } Console.WriteLine("\n\n\t Press Enter key to exit...."); Console.ReadLine(); } } } |
Output: In the above program the code can be shortened by reducing the number of for loops or by using functions, but for making it easier to understand by the beginners, the program is made as… Continue Reading C# PROGRAM FOR PRODUCT OF MATRICES USING ARRAYS
Sameer Shaik
Implementing Addition of Two Matrices Using 2D-Arrays: original post
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 |
using System; namespace MatrixAdditionProgram { class Program { static void Main(string[] args) { //using 2D-ARRAYS int RowSize = 5, ColSize = 5; int[,] Matrix1 = new int[RowSize, ColSize]; int[,] Matrix2 = new int[RowSize, ColSize]; int[,] ResultMatrix = new int[RowSize, ColSize]; int i, j; try { Console.WriteLine("\n >>> PROGRAM To PRINT ADDITION OF TWO MATRICES <<<"); Console.Write("\n Enter the Size of a Matrix N*N (For Example:3*3) : "); string s = Console.ReadLine(); string[] values = s.Split('*'); RowSize = int.Parse(values[0]); ColSize = int.Parse(values[1]); if (RowSize > 5 || ColSize > 5) //limiting the size of matrix { Console.BackgroundColor = ConsoleColor.DarkRed; //changing background color to red Console.WriteLine(" The Size Of Matrix should Be in Less Than 5 (limiting size of array)"); System.Console.ResetColor(); ///resetting color Console.WriteLine("\n\n\t Press Enter key to exit...."); Console.ReadKey(); return; } else { //Initializing all the elements to zero for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Matrix1[i, j] = 0; Matrix2[i, j] = 0; } } //Reading elements of Matrix1 Console.WriteLine("\n Enter the elements of Matrix1({0}*{1})", RowSize, ColSize); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Console.Write(" Matrix1[{0},{1}] : ", i, j); Matrix1[i, j] = Convert.ToInt32(Console.ReadLine()); } } //Reading elements of Matrix2 Console.WriteLine("\n Enter the elements of Matrix2({0}*{1})", RowSize, ColSize); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Console.Write(" Matrix2[{0},{1}] : ", i, j); Matrix2[i, j] = Convert.ToInt32(Console.ReadLine()); } } //calculating ResultMatrix, by adding Matrix1 and Matrix2 for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { ResultMatrix[i, j] = Matrix1[i, j] + Matrix2[i, j]; } } //Printing Result Matrix Console.Write("\n\n\t*** Result Matrix ***\n\n\t"); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { if (ResultMatrix[i, j] < 10) { Console.Write(" 0" + Convert.ToString(ResultMatrix[i, j])); //Making number as 01,02,etc,. } else { Console.Write(" " + Convert.ToString(ResultMatrix[i, j])); } if (j == ColSize - 1) { Console.Write("\n\t"); } } } } } catch //to catch exceptions,suppose string entered as aRowSize or Colsize of matrix { Console.BackgroundColor = ConsoleColor.DarkRed; Console.WriteLine("WARNING:only Number are allowed, Enter Correct Input"); Console.ResetColor(); } Console.WriteLine("\n\n\t Press Enter key to exit...."); Console.ReadLine(); } } } |
In the above program the code can be shortened by reducing the number of for loops, but for making it easier to understand by the beginners, the program is made as simple as possible. Some of the different Sample Outputs… Continue Reading C# PROGRAM FOR ADDITION OF MATRICES USING ARRAYS
Sameer Shaik
Implementing Subtraction of Matrices Using 2D-Arrays: original post
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 |
using System; namespace MatrixSubtractionProgram { class Program { static void Main(string[] args) { //using 2D-ARRAYS int RowSize = 5, ColSize = 5; int[,] Matrix1 = new int[RowSize, ColSize]; int[,] Matrix2 = new int[RowSize, ColSize]; int[,] ResultMatrix = new int[RowSize, ColSize]; int i, j; try { Console.WriteLine("\n >>> PROGRAM To PRINT SUBTRACTION OF TWO MATRICES <<<"); Console.Write("\n Enter the Size of a Matrix N*N (For Example:3*3) : "); string s = Console.ReadLine(); string[] values = s.Split('*'); RowSize = int.Parse(values[0]); ColSize = int.Parse(values[1]); if (RowSize > 5 || ColSize > 5) //limiting the size of matrix { Console.BackgroundColor = ConsoleColor.DarkRed; //changing background color to red Console.WriteLine(" The Size Of Matrix should Be in Less Than 5 (limiting size of array)"); System.Console.ResetColor(); ///resetting color Console.WriteLine("\n\n\t Press Enter key to exit...."); Console.ReadKey(); return; } else { //Initializing all the elements to zero for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Matrix1[i, j] = 0; Matrix2[i, j] = 0; } } //Reading elements of Matrix1 Console.WriteLine("\n Enter the elements of Matrix1({0}*{1})", RowSize, ColSize); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Console.Write(" Matrix1[{0},{1}] : ", i, j); Matrix1[i, j] = Convert.ToInt32(Console.ReadLine()); } } //Reading elements of Matrix2 Console.WriteLine("\n Enter the elements of Matrix2({0}*{1})", RowSize, ColSize); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { Console.Write(" Matrix2[{0},{1}] : ", i, j); Matrix2[i, j] = Convert.ToInt32(Console.ReadLine()); } } //calculating ResultMatrix, by SUBTRACTING Matrix2 FROM Matrix1 for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { ResultMatrix[i, j] = Matrix1[i, j] - Matrix2[i, j]; } } //Printing Result Matrix Console.Write("\n\n\t*** Result Matrix ***\n\n\t"); for (i = 0; i < RowSize; i++) { for (j = 0; j < ColSize; j++) { if (ResultMatrix[i, j] < 10) { //Making number as 01,02,etc,. Console.Write(" 0" + Convert.ToString(ResultMatrix[i, j])); } else { Console.Write(" " + Convert.ToString(ResultMatrix[i, j])); } if (j == ColSize - 1) { Console.Write("\n\t"); } } } } } catch //to catch exceptions,suppose string entered as aRowSize or Colsize of matrix { Console.BackgroundColor = ConsoleColor.DarkRed; Console.WriteLine("WARNING:only Number are allowed, Enter Correct Input"); Console.ResetColor(); } Console.WriteLine("\n\n\t Press Enter key to exit...."); Console.ReadLine(); } } } |
In the above program the code can be shortened by reducing the number of for loops or by using functions, but for making it easier to understand by the beginners, the program is made as simple as possible. Some of the… Continue Reading C# PROGRAM TO PERFORM SUBTRACTION ON MATRICES USING ARRAYS
Sameer Shaik