"time with time zone" or xml either a Missing Operator- (xml = text) or an Invalid Cast-Exception occurs. Here the example code, To reproduce the issue - just setup a database with a table - first add only primitive data-type rows (int , uid, string, text ect.) test it - and you'll see - update just works fine. Then add any extended data-type, like a time value, xml etc - and the update throws the exceptions @digital-void, please check the minimal testcase in my commit above. Update(Data Row data Rows, Data Table Mapping table Mapping) at System. But - when I have a row with some higher type, for e.g. I'm using Npgsql (126.96.36.199) via Nu Get with Target Framework 4.5 But I also tried the Npgsql download version for and with 2.0 - same issue. Update From Data Table(Data Table data Table, Data Table Mapping table Mapping) at System.
In this example, I am going to retrieve values from categories table of Northwind database. Drag a Grid View into the Web Form and assign Data Key Names property with the primary key column i.e. In the gdview_Row Editing and gdview_Row Deleting event, we have used the below code to retrieve categoryid from datakey of Grid View, int catid = int.
Net is useful for displaying large data in a tabular format.
I have previously posted an article on how to insert new rows in database using a Grid View.
As the values are inserted into an Ordered Dictionary - you can use the field names to access the changed data 2.
There are multiple ways in which one can get the data from the current row that is being edited in a Grid View. Using "Extract Values From Cell": This is an easy way to get all the values from the current row.