string ch = Console.ReadLine();
if (ch == "y")
{
ADOCommand CreateTable = new ADOCommand("Create Table a1(vno integer,name char(20))", s);
CreateTable.ExecuteNonQuery();
Console.WriteLine("AOCommand Executed / Table Created");
}
//在表中插入值
Console.Write("Want to Insert Some values in a Table?(y/n) ");
ch = Console.ReadLine();
if (ch == "y")
{
ADOCommand InsTable = new
ADOCommand("insert into a1 values(1, 'hi')", s);
InsTable.ExecuteNonQuery();
Console.WriteLine("Values Inserted");
}
//删除整个表
Console.Write("Want to Delete All Records Present in the Table?(y/n) ");
ch = Console.ReadLine();
if (ch == "y")
{
ADOCommand DeleteTable = new ADOCommand("Delete from a1", s);
DeleteTable.ExecuteNonQuery();
Console.WriteLine("All Records Deleted From the Table");
}
//看所有记录
Console.Write("Want to See all the Records Present in the Table /Database (y/n)? ");
ch = Console.ReadLine();
if (ch == "y")
{
ADOCommand AllRecs = new ADOCommand("select * from a1", s);
ADODataReader r;
AllRecs.Execute(out r);
while(r.Read())
{
for(int i=0; i < r.FieldCount;i++)
{
Console.Write(r.GetValue(i)+ " ");
}
Console.WriteLine();
}
Console.WriteLine("All Records Displayed");
r.Close();