Saturday 28 July 2018
Friday 27 July 2018
Thursday 26 July 2018
Tuesday 24 July 2018
Monday 23 July 2018
hr management system part 6 asp net How to Upload and Change Profile Pic...
public string file_upload(FileUpload fileupload)
{
string msg = "-1";
if (fileupload.HasFile)
{
string fileextenion = Path.GetExtension(fileupload.FileName);
if (fileextenion.ToLower() != ".png" && fileextenion.ToLower() != ".jpg")
{
Response.Write("<script>alert('Only images are allowed to upload , please select jpg or png image.... '); </script> ");
}
else
{
int filesize = fileupload.PostedFile.ContentLength;
if (filesize > 2097152) //cannot upload > 2 mb image......
{
Response.Write("<script>alert('Only images are allowed to upload that are size of less than 2 MB '); </script> ");
}
else
{
Random r = new Random();
int r1 = r.Next();
int r2 = r.Next();
msg = "~/Content/Uploads/" + r1 + r2 + fileupload.FileName;
fileupload.SaveAs(Server.MapPath(msg));
}
}
}
else
{
Response.Write("<script>alert('please select a file '); </script> ");
}
return msg;
}
Thursday 19 July 2018
Wednesday 18 July 2018
Tuesday 17 July 2018
Monday 16 July 2018
Saturday 14 July 2018
Friday 13 July 2018
Thursday 12 July 2018
Select ,Any and All operator in Linq C#
using ConsoleApplication3.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication3
{
class Program
{
static void Main(string[] args)
{
List<Employee> li = new List<Employee>()
{
new Employee{id=1,name="Ali",salary=50000},
new Employee{id=2,name="Ahmed",salary=30000},
new Employee{id=3,name="Ahsan",salary=50000},
new Employee{id=4,name="Asim",salary=40000},
new Employee{id=5,name="Asad",salary=10000},
};
// var list = li.Select(x => new { ID = x.id, Name = x.name });
//var list = li.ToList();
//foreach (var item in list)
//{
// Console.WriteLine("ID: " + item.id + "\nName" + item.name);
//}
//bool a = li.All(x => x.salary >= 10000);
bool b = li.Any(x => x.salary > 30000);
Console.WriteLine(b);
}
}
}
-----------------------------------------------------------------------------------------------
class Employee
{
public int id { get; set; }
public string name { get; set; }
public int salary { get; set; }
}
Wednesday 11 July 2018
Join Query in Linq C#
using ConsoleApplication2.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication2
{
class Program
{
static void Main(string[] args)
{
List<department> deplist = new List<department>
{
new department{deptid=1, deptname="HR"},
new department{deptid=2, deptname="Marketing"},
new department{deptid=3, deptname="IT"},
new department{deptid=4, deptname="Accounts"},
};
List<Employee> emplist = new List<Employee>
{
new Employee{empid=101,name="ali",deptfkid=1},
new Employee{empid=102,name="ahmed",deptfkid=2},
new Employee{empid=103,name="ahsan",deptfkid=1},
new Employee{empid=104,name="bilal",deptfkid=3},
new Employee{empid=105,name="zahid",deptfkid=1},
new Employee{empid=106,name="fahad",deptfkid=2},
};
var joinlist = emplist.Join(deplist, emp => emp.deptfkid, dep => dep.deptid, (emp, dep) => new
{
empid=emp.empid,
name=emp.name,
deptname=dep.deptname
});
foreach (var item in joinlist)
{
Console.WriteLine("-------------------");
Console.WriteLine("id: "+item.empid);
Console.WriteLine("Name: " + item.name);
Console.WriteLine("Department: " + item.deptname);
Console.WriteLine("-------------------");
}
Console.ReadKey();
}
}
}
----------------------------------------------------------------------------------------------------
class department
{
public int deptid { get; set; }
public string deptname { get; set; }
}
-----------------------------------------------------------------------------------------------
class Employee
{
public int empid { get; set; }
public string name { get; set; }
public int deptfkid { get; set; }
}
Tuesday 10 July 2018
Monday 9 July 2018
Group By and ToLookup in Linq C#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
class student
{
public int studentID { get; set; }
public string studentName { get; set; }
public int Age { get; set; }
}
class Program
{
static void Main(string[] args)
{
List<student> li = new List<student>()
{
new student() { studentID = 5, studentName = "Ron" , Age = 21 },
new student() { studentID = 6, studentName = "Chris", Age = 18 },
new student() { studentID = 7, studentName = "Rob",Age = 19 },
new student() { studentID = 8, studentName = "Rob",Age = 21 },
new student() { studentID = 1, studentName = "John", Age = 18 },
new student() { studentID = 2, studentName = "Steve", Age = 21 },
new student() { studentID = 3, studentName = "Bill", Age = 25 },
new student() { studentID = 4, studentName = "Ram" , Age = 19 },
new student() { studentID = 9, studentName = "Bill",Age = 19 },
};
// var agegroup = li.GroupBy(x => x.Age).ToList();
var agegroup = li.ToLookup(x => x.Age).ToList();
foreach (var group in agegroup)
{
Console.ForegroundColor = System.ConsoleColor.Green;
Console.WriteLine("====AGE:"+group.Key+"====");
Console.ForegroundColor = System.ConsoleColor.Red;
foreach (var item in group)
{
Console.WriteLine(item.studentName);
}
}
}
}
}
Order by, Order by Descending, then by and then by Descending in linq c#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
List<student> li = new List<student>()
{
new student() { studentID = 5, studentName = "Ron" , Age = 31 },
new student() { studentID = 6, studentName = "Chris", Age = 17 },
new student() { studentID = 7, studentName = "Rob",Age = 19 },
new student() { studentID = 8, studentName = "Rob",Age = 21 },
new student() { studentID = 1, studentName = "John", Age = 18 },
new student() { studentID = 2, studentName = "Steve", Age = 21 },
new student() { studentID = 3, studentName = "Bill", Age = 25 },
new student() { studentID = 4, studentName = "Ram" , Age = 20 },
new student() { studentID = 9, studentName = "Bill",Age = 19 },
};
// var list = li.OrderBy(x => x.studentID).ToList();
// var list = li.OrderByDescending(x => x.studentName).ToList();
// var list = li.OrderByDescending(x => x.studentName).ThenBy(x=>x.Age).ToList();
var list = li.OrderByDescending(x => x.studentName).ThenByDescending(x=>x.Age).ToList();
foreach (var item in list)
{
Console.WriteLine("id: "+item.studentID+"---Name: "+item.studentName+"---age:"+item.Age);
}
}
}
}
--------------------------------------------------------------------------------------------------------------
public int studentID { get; set; }
public string studentName { get; set; }
public int Age { get; set; }
Sunday 8 July 2018
Introduction to Linq query in C#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
List<student> li = new List<student>()
{
new student() { studentID = 1, studentName = "John", Age = 18 },
new student() { studentID = 2, studentName = "Steve", Age = 21 },
new student() { studentID = 3, studentName = "Bill", Age = 25 },
new student() { studentID = 4, studentName = "Ram" , Age = 20 },
new student() { studentID = 5, studentName = "Ron" , Age = 31 },
new student() { studentID = 6, studentName = "Chris", Age = 17 },
new student() { studentID = 7, studentName = "Rob",Age = 19 },
};
List<student> teenagerlist = li.Where(x => x.Age > 12 && x.Age < 20).ToList();
Console.WriteLine("Teenager students: ");
foreach (student item in teenagerlist)
{
Console.WriteLine("Name: "+item.studentName);
}
}
}
}
----------------------------------------------------------------------------------------------------------------
class student
{
public int studentID { get; set; }
public string studentName { get; set; }
public int Age { get; set; }
}
Friday 6 July 2018
insert data using Entity Framewrok database 1st Approach in windows from
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WindowsFormsApplication9.Model;
namespace WindowsFormsApplication9
{
public partial class Form1 : Form
{
db1708c1Entities db = new db1708c1Entities();
tbl_student s = new tbl_student();
public Form1()
{
InitializeComponent();
}
private void button2_Click(object sender, EventArgs e)
{
s.name = textBox1.Text;
s.dob = dateTimePicker1.Value;
s.contatct = textBox2.Text;
if (s.C_image==null)
{
s.C_image = @"C:\images\unknown.png";
}
db.tbl_student.Add(s);
db.SaveChanges();
MessageBox.Show("Data successfully inserted......");
dataGridView1.DataSource = db.tbl_student.ToList();
}
private void Form1_Load(object sender, EventArgs e)
{
dataGridView1.DataSource = db.tbl_student.ToList();
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog op = new OpenFileDialog();
op.Filter = "Image Files(*.jpg; *.jpeg; *.gif; *.bmp)|*.jpg; *.jpeg; *.gif; *.bmp";
if (op.ShowDialog() == DialogResult.OK)
{
pictureBox1.Image = new Bitmap(op.FileName);
pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
s.C_image = op.FileName;
}
}
}
}
Sunday 1 July 2018
How to Upload image in PHP
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>File Upload</title>
</head>
<body>
<form method="post" enctype="multipart/form-data">
<table> <tr> <td><input type="file" name="image"/> </td> <td> <button name="btn">Upload </button> </td> </tr> </table>
</form>
<?php
if(isset($_POST['btn']))
{
if(isset($_FILES['image']))
{
//FILENAME ,FILESIZE, FILETYPE,FILEEXTENSION...........
//-------------------------------------------------------------------------------
$errors;
// $file_name=$file_size=$file_type="";
$file_name = $_FILES['image']['name'];
$file_size =$_FILES['image']['size'];
$file_tmp =$_FILES['image']['tmp_name'];
$file_type=$_FILES['image']['type'];
$file_ext=strtolower(end(explode('.',$_FILES['image']['name'])));
//-------------------------------------------------------------------------------
$extensions= array("jpeg","jpg","png");
if(in_array($file_ext,$extensions)=== false) // values are equal so return true
{
$errors="extension not allowed, please choose a JPEG or PNG file.";
}
else
{
if($file_size > 2097152)
{
$errors='File size must be excately 2 MB or lesser...';
}
else
{
$rand=rand();
move_uploaded_file($file_tmp,"uploads/".$rand.$file_name);
}
}
if(empty($errors))
{
echo "<p style='color:green'> File Uploaded...</p>";
}
else
{
echo "<p style='color:red'> File not Uploaded...</p>";
}
}//IF FILE CONTAINS.................
else
{
echo "<p style='color:red'> plz select a FILE.....</p>";
}
}
?>
</body>
</html>
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