Difference Between Varchar and nVarchar

VARCHAR is an abbreviation for variable-length character string where as The abbreviation of NVarchar is uNicode Variable Length character String.VARCHAR is a string of text characters that can be as large as the page size for the database table holding the column in question. The size for a table page is 8,196 bytes, and no one row in a table can be more than 8,060 characters. This in turn limits the maximum size of a VARCHAR to 8,000 bytes.

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Editing Child GridView in Nested GridView

Editing Child GridView in Nested GridView In this article we will explore how to edit child gridview in the nested gridview. Let''s write some code. Step 1: Add scriptmanager in the aspx page. < asp : ScriptManager ID ="ScriptManager1" runat ="server" EnablePageMethods ="true"> </ asp : ScriptManager > Step 2: Add below stylesheet for modal popup. < style type ="text/css"> .modalBackground { background-color : Gray; filter : alpha(opacity=80); opacity : 0.5; } .ModalWindow { border : solid1px#c0c0c0; background : #f0f0f0; padding : 0px10px10px10px; position : absolute; top : -1000px; } </ style > Step 3: Create an aspx page and add a Gridview with another gridview in the last TemplateField. The last templatefield will also contain a lable which will

Scrollable Gridview With fixheader using JQuery in Asp.net

Scrollable Gridview With fixheader using JQuery in Asp.net Introduction: In this article I will explain how to implement scrollable gridview with fixed header in asp.net using JQuery. Description: In Previous posts I explained lot of articles regarding Gridview. Now I will explain how to implement scrollable gridview with fixed header in asp.net. I have one gridview that contains lot of records and I used paging for gridview but the requirement is to display all the records without paging. I removed paging at that time gridview occupied lot of space because it contains more records to solve this problem we implemented scrollbar. After scrollbar implementation if we scroll the gridview we are unable to see Gridview header. To implement Scrollable gridview with fixed header I tried to implement concept with css and JavaScript but there is no luck because maintaining fixed header working in IE but not in Mozilla and vice versa to solve this browser compatibility proble

GRIDVIEW GROUPING

When displaying data, we sometimes would like to group data for better user experience or when displaying long list of hierarchal data, we would want to display them in a tree view kind of structure. There is more than way of doing this, but I am going to explain achieving this functionality using AJAX Collapsible Panel Extender Control . Overview: I am going to use Adventure Works as datasource. Every product in Production.Product table belongs to a product sub category. We fetch handful of products and the sub categories they belong to from the database. Our objective is to list all the available sub categories and allow user to expand/collapse to look/hide the list of products belonging to each subcategory. Database Connection Added following entry under connectionStrings element in web.config . < add name = "Sql" connectionString="Data Source=(local); Initial Catalog = AdventureWorks ; User = testuser ; Password = testuser ;"

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