备份数据库

 private void button2_Click(object sender, EventArgs e)
        {
            if (IsFree())
            {
                try
                {
                    string filePath = txtPath.Text.Trim();//备份路径
                    string backup = @"backup database  HeatingFS to disk='" + filePath + "/" + txtFileName.Text.Trim() + @".bak" + " '";//备份数据库语句
                    if (new SJTD_HDYX.BLL.UserManager().DBBackups(backup))
                    {
                        DialogResult r = MessageBox.Show("备份成功", "提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                        if (r == DialogResult.OK)
                        {
                            this.Close();
                        }
                    }

                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message.ToString());
                } 
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog FBD = new FolderBrowserDialog();
            FBD.SelectedPath = "选择你要存放目录的路径";
            if (FBD.ShowDialog() == DialogResult.OK)
            {
                txtPath.Text = FBD.SelectedPath;
            }
        }