索引从 0 处开始,初始化字符串的格式不符合规范。cmd.Connection = new SqlConnection ("Data\\Gzrs.mdb");
提供的代码:
private IDbConnection con;
public IDbConnection Connection
{
get
{
return con;
}
set
{
con = value;
}
}
则:
private SqlCommand cmd=new SqlCommand ();
cmd.Connection=?