tag:blogger.com,1999:blog-72154408855690944752024-10-24T09:43:51.464-07:00C# Important TopicsBlog is made with an aim to help developers and learners of c# language.
It will be updated daily with new topics and important concerned questions to .net developers.
Follow my blog as an encouragement to give more post with valuable information. Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.comBlogger39125tag:blogger.com,1999:blog-7215440885569094475.post-77278350303859675992016-03-23T01:43:00.000-07:002016-03-23T01:43:01.521-07:00Checkbox Toggling in Angularjs
Requirement :
We need to make a checkbox for every option available in our $scope object and preserve the option selected for further use.
Step 1:
Store your required option list in a $scope.
Example :
$scope.options : SalesOrderNos
In our example the SalesOrderNos have a list of sales order, on which we require the checkbox.
Step2: Declare another scope variable to Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-22100830092880160652016-03-14T00:59:00.000-07:002016-03-17T00:59:42.651-07:00Angular Material Auto - Complete
Angular
Material is the reference implementation of Google's Material Design
Specification. This project provides a set of reusable, well-tested,
and accessible UI components based on Material Design.
To
use Angular- Material, required Angular files are :
angular-material.min.css
angular-material.min.js
angular.min.js
angular-animate.min.js
angular-aria.min.js
Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com1tag:blogger.com,1999:blog-7215440885569094475.post-50920193671613219322016-03-08T22:30:00.000-08:002016-03-08T22:34:22.347-08:00Starting with SignalR Part 1 (Overview)
SignalR,
a framework that facilitate asynchronous data transfer between the server and the clients in real time.
Basically,
SignalR isolates us from low-level details, giving us the impression
of working on a permanently open persistent connection. To achieve
this, SignalR includes components specific to both ends of
communication, which will facilitate messageAnonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-81909520518018321052016-03-08T01:37:00.000-08:002016-03-08T01:37:42.011-08:00ng-change
ng-change
can be used to capture any action performed by the user with input
type tag, select tag.
Using
ng-change with input type :
<input
type="number"
class="form-control"
ng-change="calculate()"
/>
Here
ng-change modal will go to calculate() in the controller of this page
at the time of change text in the textbox. This is same as writing a
onTextChange() action on the Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-17639891724313788992016-03-08T00:00:00.000-08:002016-03-08T00:00:03.665-08:00 Beginning-with-database-approach-Part 3
In
Part 2 of beginning with entity framework we did CRUD operation using
entity framework. Now, there are few tips for using entity:
How to
update your Entity Data Model (.edmx)?
Open
your .edmx file >Right click >Select update from database
You
will get this window:
If
you have added new table, views, stored procedure in database.Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-13053728517878325842016-03-02T02:05:00.000-08:002016-03-08T00:02:58.900-08:00Beginning-with-database-approach-Part 2
In our first part we have
created our .edmx file with the help of ADO.net Entity Data Model using
database approach.
Now, it’s time to start
using our entity Framework to do SQL operation.
Before that, if you are using visual studio 2012 or later,
go to solution explorer, find your .edmx file and delete .tt extension files from there.
After thatAnonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-25279694017251103462016-03-01T23:29:00.000-08:002016-03-08T00:05:09.337-08:00Beginning with database approach Part-1
This approach could be used with any previously build
database, that why known as database model approach. It will help us to
communicate with our database, with its predefined functions, and giving our C#
code more power in terms of SQL too.
Step 1: Right-
Click on the project main file.
Project Name > Add > New Item > ADO.NET Entity Data
Model
Provide a Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-24618740637216695072016-02-28T09:58:00.000-08:002016-02-28T09:58:52.810-08:00Using ng-switch in Angularjs
ng-switch :
ng-switch basically provide us with a functionality to switch views on some client action. This action could be through a drop-down option change, button click or any other such client action.
For Example :
<select ng-model="stockShow">
<Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-15018287818732808352016-01-26T02:02:00.000-08:002016-01-26T02:02:16.177-08:00Sending Dynamic Table Data to Server Side
Step 1: Add the jquery main file.
Step 2: Add the following Code.
function saveValues( ) { var tableMatRequire = []; $('#matReqTable tr').each(function (row, tr) { tableMatRequire.push({ IndentNo: $('.indentClass').val(), &Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-79300303531449203042016-01-17T21:15:00.000-08:002016-01-17T21:15:09.725-08:00Making Add Row functionality in Html table using jquery
Step 1:
Add Jquery download file or use the CDN provided :
<script src="https://code.jquery.com/jquery-2.2.0.min.js"></script>
Step 2:
Make your html table ..
<h3>Add/ Delete Row </h3>
<div class="row">
<div class="col-md-1"></div>
<div class="col-md-9">
<table Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-18823556115698616422015-12-28T03:33:00.000-08:002015-12-28T03:33:21.992-08:00Entity Framework Development Approaches
This article is taken from msdn.microsoft.com, it was a necessary part so i provided the content here also.
The Entity Framework is the easiest ORM framework to learn for an ASP.NET developer. Because Microsoft continues to focus ORM development efforts on the Entity Framework, Microsoft and third parties continue to produce new tutorials, videos, and books. Most new tutorials use the Entity Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-29839577016542752552015-12-15T23:57:00.000-08:002015-12-16T00:00:42.172-08:00How to make textbox, dropdownlist combination control using ajax combobox in asp.net
Step 1 :
Add the AjaxControlToolkit Reference to your asp.net website and register its assembly on the required page.
<%@
Register
Assembly="AjaxControlToolkit"
Namespace="AjaxControlToolkit"
TagPrefix="asp"
%>
Step 2:
Add the ToolkitScriptManager above any ajax tool, using this code,
<asp:ToolkitScriptManager
ID="ToolkitScriptManager1"
runat="server">
</Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-60054043357812442222015-12-10T03:08:00.000-08:002015-12-10T03:08:44.796-08:00Using ValidatorCalloutExtender to Enhance RequiredFieldValidator to validate.
Step 1 : First you require Ajaxtoolkit to be added to your asp.net toolbox.
Step 2:
Add the RequiredFieldValidator control from toolbox for textbox control to validate.
Step 3:
Add the ToolkitScriptManager control from the toolbox just below the form tag.
Step 4:
Use the ValidatorCalloutExtender control from the ajax toolkit tools which you have got after Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-15947072463577122282015-12-09T23:13:00.000-08:002015-12-09T23:13:31.162-08:00How to pass repeater/any control from one page to another in asp.net?
Step 1:
Make two pages, one where the control (repeater) is present and another where you need to transfer it, namely source.aspx and destination.aspx.
Step 2:
At source.aspx page write down your control (repeater) and bind it, in my case i am passing the repeater, so that i could print it on another page, you can have other cases to use this functionality..
So at design page of Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-83920341402571013552015-12-08T04:28:00.000-08:002015-12-08T04:28:38.038-08:00How to open new popup form on gridview button click ?
Step 1:
We will use ajaxtoolkit to open a new form on gridview button click or on normal button click.
You have to add reference to AjaxToolKit.dll, which you can found in the package of ajaxtoolkit from ajaxcontroltoolkit.codeplex.com.
Step 2:
You can also add Ajax tools into the asp.net toolbox, and then you can directly use its control from there, or you can hard-code.
First, Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-5013860777489748422015-12-03T02:32:00.000-08:002015-12-28T03:36:25.214-08:00How to bind dropdown with multiple columns using entity framework?
Problem:
We have to bind the table to the dropdown where we need the complete name as the text value of dropdown and emp_id as datavalue.
The name of dropdownlist is ddlRequestTo and the entity database object named context with tbl_employeePersonal
Solution:
private
void
bindRequestTo()
{
ddlRequestTo.DataSource
= (from
emp in
Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-76032088290961558032015-11-30T05:09:00.000-08:002015-11-30T05:09:31.203-08:00How to bind gridview using entity framework from designer and backend code ?
Using Designer
Step 1:
Create gridview instance on the page where you want your gridview :
<asp:GridView
ID="grdEducation"
runat="server"
></asp:GridView>
Step 2:
Move to design page, you will get something like this :
Step 3:
Click on the arrow shown in the image, you will be provided with this form:
Here i have selected Entity and given it Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-5356145232433770662015-11-29T23:34:00.000-08:002015-12-28T03:36:50.923-08:00How to Bind Dropdownlist in Asp.net using entity framework
Question :
How can we bind dropdown list in Asp.net from a table (tbl_department) using entity framework where tbl_department consist of departmentId and departName ?
Solution
Designer.aspx
<asp:DropDownList
ID="ddlDepartment"
runat="server"
AutoPostBack="true">
</asp:DropDownList>
code.cs
db_EmployeeManagEntities
context = new
db_EmployeeManagEntities();
Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-90178019091412975052015-11-21T02:32:00.002-08:002015-11-21T02:32:22.017-08:00Extension Methods in C#
Extension methods enable you to "add" methods to existing types without creating a new derived type, recompiling, or otherwise modifying the original type.
How Do We Create Extension Methods?
Step 1: Create the Static Class
Step 2: Create the Static Method and give any logical name to it.
Step 3: In the Extension Method Parameter, just pass this along with the object type.
Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-48493291826340756692015-11-20T02:28:00.000-08:002015-11-20T02:34:18.576-08:00Thread Pooling in C#
Thread pooling is the process of creating a collection of threads during the initialization of a multi-threaded application, and then reusing those threads for new tasks as and when required, instead of creating new threads.
Once a thread in the pool completes its task, it is returned to a queue of waiting threads, where it can be reused. This reuse enables applications to avoid the cost of Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-25272765489172622512015-11-18T23:57:00.000-08:002015-11-19T23:32:21.943-08:00Threading Overview in C#
What threads really are ?
A thread is a sequence of instructions executed within the context of a process. One can also say threads are the smallest possible part of the process that can be handled or controlled independently by a scheduler.
Multiple threads within a process share the memory, execution instruction, context data and other system resources.
Multi-threaded Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-1765411821371987032015-11-07T03:34:00.000-08:002015-11-19T22:55:07.601-08:00Delegate In C# With Example
Delegate is a type which encapsulate a reference to a method inside a delegate object. Delegate are object-oriented, type-safe, and secure.
If this is our method :
public
int
add(int
a, int
b)
{
return
a + b;
}
To make reference to the method (add).
First we need to define the delegate to make its object (obvious).
Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-85057419376057509672015-11-05T22:20:00.000-08:002015-11-19T22:56:36.649-08:00Validating Currency and Number upto 4 decimals
Question :
I would like to validate whether a string satisfy the following currency format with maximum 4 decimal places and could allow ',' regardless of culture.
Eg:
2,000,000(valid)
200000.0000(valid)
200 (valid)
200.00000(invalid)
How could it be done?
Solution :
I have tried this on a web application :
design page :
<asp:TextBox ID="txtNumber" runat="server"></Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-82028918730952546532015-11-05T03:53:00.000-08:002015-12-03T02:39:59.208-08:00How to bind dropdownlist at page load in asp.net ?
Design Code :
<asp:DropDownList ID="ddlName" runat="server"
AutoPostBack="true">
</asp:DropDownList>
Note : AutoPostback is marked true.
At .cs
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0tag:blogger.com,1999:blog-7215440885569094475.post-50576350150532888392015-11-04T03:38:00.000-08:002015-11-04T03:40:08.404-08:00File validation on size and extension
When you provide fileUpload button to let user upload some file, you surely require to validate the file extension and size of file.
Getting File Extension :
string fileExt = Path.GetExtension(fileUpload1.FileName);
//Here fileUpload1 is the fileUpload button id.
Now you can check this extension with the required extension.
Getting File Size :
double fileSize = fileUpload1.Anonymoushttp://www.blogger.com/profile/07044040065415530822noreply@blogger.com0