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21-Aug-2017 06:46

You can create a Sql Command Builder object to automatically generate SQL statements for single table updates if you set the Select Command property of the Sql Data Adapter. Sql Data Adapter adapter = new Sql Data Adapter("your sql statement", connection); Sql Command Builder cmd Builder = new Sql Command Builder(adapter); adapter.

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Executing an extremely large batch could decrease performance. Statements are executed in the order that the statements were added to the batch.

The Sql Command Builder can be used to build and execute SQL queries based on the select command that you will supply. Item Array[2]) 100; //Here save the data to the datasource adapter.

It provides the feature of reflecting the changes made to a Data Set or an instance of the SQL server data.

Dim cust Adapter As Sql Data Adapter = New Sql Data Adapter( _ "SELECT Customer ID, Company Name FROM Customers", connection) ' Add handlers. Row Updating, New Sql Row Updating Event Handler( _ Address Of On Row Updating) Add Handler cust Adapter. Row Updating, _ New Sql Row Updating Event Handler(Address Of On Row Updating) Remove Handler cust Adapter.

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Row Updated, New Sql Row Updated Event Handler( Address Of On Row Updated) ' Set Data Adapter command properties, fill Data Set, and modify Data Set. Update(cust DS, "Customers") ' Remove handlers. Row Updated, _ New Sql Row Updated Event Handler(Address Of On Row Updated) Private Shared Sub On Row Updating(sender As Object, _ args As Sql Row Updating Event Args) If args. NET allows a Data Adapter to group INSERT, UPDATE, and DELETE operations from a Data Set or Data Table to the server, instead of sending one operation at a time. Every row update involved a network round-trip to the database. NET 2.0, the Db Data Adapter exposes an Update Batch Size property. Product Category " _ & "WHERE Product Category [email protected] Cat ID;", connection) adapter. If no rows are being processed, throws an Argument Null Exception.



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