异常意味着它所说的内容。您正在尝试将行添加到没有列的表。看看这里看一个例子你需要的东西。

The exception means exactly what it says. You are attempting to add rows to a table that has no columns. Have a look here to see an example what you will need.

在你添加行之前通过调试进行检查，如果列存在于datagridview中。

check by debugging before you add the row that if the columns exists in datagridview.