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Sunday, June 19, 2016

Image width and height in asp.net c#

In this article, I am going to explain how to find out uploaded image dimension in asp. net c#.

Code of aspx page

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

</head>

<body>

<div>

<asp:FileUpload ID="fupload" runat="server" />

<asp:Button ID="btnCheckHeightWidth" runat="server" Text="Check"

onclick="btnCheckHeightWidth_Click" /><asp:Label ID="lblmsg" runat="server" ForeColor="Green"></asp:Label>

</div>

</form>

</body>

</html>

Code of cs page

using System;

public partial class _Default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void btnCheckHeightWidth_Click(object sender, EventArgs e)

{

System.IO.Stream stream = fupload.PostedFile.InputStream;

System.Drawing.Image image = System.Drawing.Image.FromStream(stream);

lblmsg.Text = "Image size is " + image.Width + "x" + image.Height + " px";

}

Image

Output

Friday, June 17, 2016

update controls outside updatepanel c#

In this article, I am going to explain how to update Control value or any other ASP. net control which reside out side update panel.

Let's take a example, suppose I have a button inside update panel and click on that button I want to assign some value in textbox.

Here the aspx Code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

</head>

<body>

<asp:ScriptManager ID="scmain" runat="server"></asp:ScriptManager>

<asp:UpdatePanel ID="upmain" runat="server">

<legend>Button Inside Update Panel</legend>

<asp:Button ID="btnUpdateValue" runat="server" Text="UpdateValue"

onclick="btnUpdateValue_Click" />

</fieldset>

</ContentTemplate>

</asp:UpdatePanel>

<asp:UpdatePanel ID="uptextbox" runat="server" UpdateMode="Conditional">

<legend>Out Side TextBox of Update Panal</legend>

<asp:TextBox ID="txtvalue" runat="server"></asp:TextBox>

</fieldset>

</ContentTemplate>

</asp:UpdatePanel>

</form>

</body>

</html>

Here the aspx.cs Code

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void btnUpdateValue_Click(object sender, EventArgs e)

{

txtvalue.Text = "Verified";

uptextbox.Update();

}

Output

Saturday, June 11, 2016

Write a program to find GCD of 2 numbers in C#.NET

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication17

{

class Program

{

static void Main()

{

int i, i1;

Console.WriteLine("Enter 2 numbers to find GCD");

i = int.Parse(Console.ReadLine());

i1 = int.Parse(Console.ReadLine());

int num, num1;

if (i > i1)

{

num = i;

num1 = i1;

}

else

{

num = i1;

num1 = i;

}

int output = gcd(num, num1);

Console.WriteLine("The GCD of {0} and {1} is {2}", i, i1, output);

Console.Read();

}

private static int gcd(int num, int num1)

{

int rem = 5;

while (num1 > 0)

{

rem = num % num1;

if (rem == 0)

return num1;

num = num1;

num1 = rem;

}

return num;

}

Output :

Wednesday, June 8, 2016

Write a Program to convert Decimal to Binary in C#.NET

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication16

{

class Program

{

static void Main()

{

int num;

Console.Write("Enter a Number : ");

num = int.Parse(Console.ReadLine());

int q;

string rem = "";

while (num >= 1)

{

q = num / 2;

rem += (num % 2).ToString();

num = q;

}

string b = "";

for (int i = rem.Length - 1; i >= 0; i--)

{

b = b + rem[i];

}

Console.WriteLine("The Binary num of given number is {0}", b);

Console.Read();

}

Output :

Tuesday, June 7, 2016

Write program to find LCM of 2 numbers in C# .NET

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication15

{

public class LCM

{

public static int dLCM(int a, int b)

{

int n1, n2;

if (a > b)

{

n1 = a; n2 = b;

}

else

{

n1 = b; n2 = a;

}

for (int i = 1; i <= n2; i++)

{

if ((n1 * i) % n2 == 0)

{

return i * n1;

}

return n2;

}

public static void Main(String[] args)

{

int n01, n02;

Console.WriteLine("Enter 2 numbers :");

n01 = int.Parse(Console.ReadLine());

n02 = int.Parse(Console.ReadLine());

int l = dLCM(n01, n02);

Console.WriteLine("LCM of {0} and {1} is {2}", n01, n02, l);

Console.Read();

}

Output :

Monday, June 6, 2016

sql server query shortcuts

In daily life developer needs to execute different type of sql query , Lets suppose that you want to fetch data from a table so for that the query will be "select * from table-name", As per on developer terms they executes selcet * query many times on daily basis. So for daily use these shortcuts will come handy to you.

Click on "Option" menu, Click on "Keyboard" menu item.

Click On "OK"

Now , write the table name, select that table name and press "ctrl+3" you employee table return data

You can create many of shortcut as per your need.

Write a program to reverse a string in C# .Net

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication14

{

class StringReverse

{

static void Main()

{

string S, rev = "";

Console.Write("Enter A String ");

S = Console.ReadLine();

for (int i = S.Length - 1; i >= 0; i--)

{

rev = rev + S[i];

}

Console.WriteLine("Reverse String Is {0}", rev);

Console.ReadLine();

}

Output :