With vs2019 c # development of a database program, suddenly the following problems:
Open the database table definition, as shown in figure:

And then pop up following exceptions:

Checked the along while, somehow didn't solve with the repair function of v, ask ace to show just a little,

CodePudding user response:

Vs2019 extension management extension installed unloading related extensions to access data in a database, and then reinstall related extensions

CodePudding user response:

Simple and crude, reinstall VS

CodePudding user response:

reference 1/f, those fish response:

vs2019 extension management extension installed unloading related extensions to access data in a database, and then reinstall related extension

This is all I install extensions:

Please see under which is related to database access?

CodePudding user response:

refer to the second floor of code of Einstein's reply:

simple and crude, reinstall VS

I use the Visual Studio Installer inside of repair, but is invalid, it is not a reshipment?