C# 备份sql server 数据库 系统拒绝访问!!
系统是xp professional ,数据库是sql server 2005 标准版,
SqlConnection conn = new SqlConnection();
conn.ConnectionString = "server=.;uid=sa;pwd=sa;database=master";
conn.Open();
SqlCommand cmd = new SqlCommand();
this.textBox5.Text = saveFileDialog1.FileName.ToString();
cmd.CommandText = "BACKUP DATABASE " + this.comboBox1.Text.Trim() + " TO DISK='" +
saveFileDialog1.FileName.ToString() + "'";
cmd.Connection = conn;
cmd.ExecuteNonQuery();
conn.Close();
conn.Dispose();
MessageBox.Show("文件备份成功!");
网上找了一下,有人说是硬盘的文件系统,而我文件系统都是ntfs,又有人说是windows 登陆用户权限有问题,??
但感觉都不对,因为在sql server management studio 中 备份没有问题,能够备份,就是C# 程序出现这问题??
望高手出来仔细说一下,说细点????????