Updating a datatable 100 2016 dating newest single site

Posted by / 17-Feb-2017 12:51

Updating a datatable

1) delete all data from database table (delete from table1 or truncate table table1) 2) insert new data from text file (using Sql Bulk Copy) thanks for the reposnse but i can't delete all from the table ..

When you design a database table, you select a data type for each of the fields in that table, a process that helps ensure more accurate data entry.If the records exists and if the values are same no need to anythig ,if not i have to update the records in sql table ok, "b" and "c" exist in both tables, do an update if necessary 3the records in the sql table doesot exists in the c# datatable , then i need to delete it from the sql table ok, you need to delete "a" So, if all above correct you can delete the entire table from the sql database.I suggest you put all of the data from the file into some staging table.Text fields accept either text or numeric characters, including delimited lists of items.A text field accepts a smaller number of characters than does a Memo field — from 0 to 255 characters.

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