If i am updating a value in a grid, i will be able to pass the conditions based on primary key value or some other value in the update statement. Hello Karthik, The Spreadsheet custom provider has two methods which should be implemented - Save Workbook and Get Sheets.
I want to know how to implement it in the spreadsheet? The Save Workbook method is used to save any changes to the database.
Various components of the data provider retrieve data for the application and update data.
The object model can be pictorially described as: The data residing in a data store or database is retrieved through the data provider.
The Data Row object and its properties and methods are used to retrieve, evaluate, insert, delete, and update values in the Data Table. In this example, we will create a table, add columns, rows and data into it and display the table using a Data Grid View object. Text = "tutorialspont.com" End Sub Private Function Create Data Set() As Data Set 'creating a Data Set object for tables Dim dataset As Data Set = New Data Set() ' creating the student table Dim Students As Data Table = Create Student Table() dataset. Add(Students) Return dataset End Function Private Function Create Student Table() As Data Table Dim Students As Data Table Students = New Data Table("Student") ' adding columns Add New Column(Students, "System.
The New Row method is used to create a new row and the Add method adds a row to the table. Take the following steps: Public Class Form1 Private Sub Form1_Load(sender As Object, e As Event Args) Handles My Base. Int32", "Student ID") Add New Column(Students, "System.
We are planning to use the spreadsheet in one of our product and it would be very helpful.
I have a purchased license with our organization and just for demo purpose i am using trial license.
When a connection is established with the database, the data adapter creates a dataset and stores data in it. Click Dim connection As Sql Connection = New sqlconnection() connection.This class inherits from "Spreadsheet Provider Base".If I enter text in cells with the keyboard, the contents of the last cell are not saved. Peter Milchev said: Hello Karthik, The Spreadsheet custom provider has two methods which should be implemented - Save Workbook and Get Sheets.The Save Workbook method is used to save any changes to the database. Net applications for retrieving, accessing and updating data. Net object model is nothing but the structured process flow through various components.A data provider is used for connecting to a database, executing commands and retrieving data, storing it in a dataset, reading the retrieved data and updating the database. Net consists of the following four objects: Data Adapter This is integral to the working of ADO.We have a table stored in Microsoft SQL Server, named Customers, in a database named test DB. Sql Client Public Class Form1 Private Sub Form1_Load(sender As Object, e As Event Args) _ Handles My Base. String", "Student Name") Add New Column(Students, "System. Get Type(column Type)) End Sub 'adding data into the table Private Sub Add New Row(By Ref table As Data Table, By Ref id As Integer,_ By Ref name As String, By Ref city As String) Dim newrow As Data Row = table.Please consult 'SQL Server' tutorial for creating databases and database tables in SQL Server. Take the following steps: When the application is run using Start button available at the Microsoft Visual Studio tool bar, it will show the following window: In this example, let us access data in a Data Grid View control using code. Load 'TODO: This line of code loads data into the 'Test DBData Set. String", "Student City") ' adding rows Add New Row(Students, 1, "Zara Ali", "Kolkata") Add New Row(Students, 2, "Shreya Sharma", "Delhi") Add New Row(Students, 3, "Rini Mukherjee", "Hyderabad") Add New Row(Students, 4, "Sunil Dubey", "Bikaner") Add New Row(Students, 5, "Rajat Mishra", "Patna") Return Students End Function Private Sub Add New Column(By Ref table As Data Table, _ By Val column Type As String, By Val column Name As String) Dim column As Data Column = _ table. New Row() newrow("Student ID") = id newrow("Student Name") = name newrow("Student City") = city table. Add(newrow) End Sub Private Sub Button1_Click(sender As Object, e As Event Args) Handles Button1.Regards, Peter Milchev Progress Telerik Hi Peter, Thanks for your reply.If I am changing multiple values and adding new rows, how can I track these things.