Answer / saminathan

from web.config file with connection string who to interact
means who to connect in
gridview. in my system shows null something error what is
the problem

Answer / subodh kumar

your question is not clear. Make proper sentence.

Answer / samy

The name of the default table adapter connection string
looks something like the following:
AppName.Settings.Default.ConnectionStringName

Naturally, AppName is the name of your application and
ConnectionStringName is the name you've given to your
connection string. This is the 'certain way' that Jay is
talking about.

If you create a TableAdapter through the design time
interface and configure the connection string to save into
the config file, you can edit the config file and see
exactly what connection string name is expected.

For a combobox and a listbox same datatable given as a datasource. Now problem is that whenever focus of listbox changes selected value of combobox also get change or vice versa. what to be done to avoid this. According to requirement we cannot make different datasouce.

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