Dim key1 As String = "12345678901234567890123456789012"
Dim key2 As String = "0987654321098765"
Dim db As HySql.Database = HySql.DataBaseFactory.CreateDatabase(key1, key2)
MessageBox.Show(1)
'MessageBox.Show(db)
Dim db2 As HySql.Database = HySql.DataBaseFactory.CreateDatabase("t33", key1, key2)
MessageBox.Show(2)
'MessageBox.Show(db2)
Dim Sql = "selec-t * from t1 ;"
Dim dt As system.data.DataTable = db.ExecuteDataSet(Sql).Tables(0)
dt.TableName = "t1"
Dim t As Table = e.Form.Controls("Table1").Table
MessageBox.Show(3)
执行后,仅报错,下面提示
.NET Framework 版本:4.0.30319.42000
Foxtable 版本:2022.8.18.1
错误所在事件:窗口,学生表窗口,AfterLoad
详细错误信息:
未将对象引用设置到对象的实例。