Notice that Where method of the LINQ is used by injecting a lambda expression as a predicate to achieve such result. And that's all it takes!
Now, let's use the stored procedure we have created earlier to achieve the same result. We should get the result shown below:. Well, here you see it in action! The spGetUser is a method of rpt object that requires a parameter UserName. Call the bind method of the grid to bind the records to the gridview after sorting event takes place.
OnPageIndexChanging - overridden to bind grid again with the record with the update page index. GetSortColumnIndex - used to get the index of the column which is clicked by the user for sorting.
In this function, I compare the sorting expression of the clicked column with each column and get the index of the clicked column.
This layer actually discusses about how to use custom gridview control in any application which use linq to SQL. The below line of the code utilizes custom gridview by binding it with the employee class of the datacontext layer. Here the first template column is used to display number with the records like the rownumber and other template column binds the property of the class to display it.
In this file, there are two lines of code to bind gridview control. When page gets loaded, it calls BindGrid method which then calls custom grid BindGrid method to bind with Employee entity by passing Employee in generic type bracket. This grid control implementation provides a basic implementation of a custom control and also gives information about Linq to SQL. Sign in Email. Forgot your password? Search within: Articles Quick Answers Messages. Tagged as C. Stats Pranay Rana Rate me:.
Please Sign up or sign in to vote. Download source code - Grid view control has the following features: Linq 2 SQL support Custom paging using Linq 2 SQL Display sorting direction Dropdown in the pager to adjust the number of records in a page Implementation The application is divided in three layer.
Layer 2: Business Layer It consists of three files: Dynamic - which contains implementation of class to support dynamic linq execution. EntityList - which contains implementation of Generic class to fetch data to display in grid view control. LinqGridView - which contains implementation of custom grid view control. Copy Code. Pranay Rana. Software Developer Senior. Web development in Asp. Net with C and MS sql server are the experience tools that I have had for the past 5.
For me def. Manoj Kumar Choubey Mar Similar Artilces: problems updating sql database using bound controls I open the query and select a record which is displayed correctly. However, when i make a change to a field, and then try to update the database, some of the fields which previously contained data are set to all blanks. Net 2. What I am doing:I have a gridview that calls information from several tables to display user details - guid, first name, last name, phone number, etc.
Then I inserted an 'edit' command button which calls a stored proc that runs an update transaction on the tables. The proc is linked I don't know the correct term through an object data source tied to a dataset that has a method that calls the proc. I use this proc in another location and it works fine. The problem:When I create a ne It is very urgent Controls bound to Datasource I have a problem, and understand why it is happening but not the best way to fix it.
The parameter's source is a session variable. Control values on the page are bound to this SQLDatasource during the page load event. I then have a couple of buttons on the page that change the Session "ID" value in thier click event handler.
When I click a button the page reloads, and while reloading the new Session value is assigned at some point What's wrong with DataBind in GridView control? The data in GridView can't be updated when the datasource have changed! DeleteOnSubmit customer ;. DeleteOnSubmit customer. In order to display a confirmation message when deleting row, I have made use of OnRowDataBound event handler where I have first determined the Delete Button and then I have attach the JavaScript Confirm to its client side Click event handler.
Controls[2] as LinkButton. DataRow AndAlso e. EditIndex Then. TryCast e. Cells 2. Controls 2 , LinkButton. Related Articles. Add Comments. Thank you for the feedback. The comment is now awaiting moderation. You will be notified via email when the author replies to your comment.
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