SQL数据据分离，附加，备份，还原工具

前几天没事，写了一个数据库操作的一个小工具，源码和大家分享，有问题的地方请大家多多指出！

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;

using System.Configuration;

namespace ADDSQL
{
    public partial class Form1 : Form
    {

        public string ConnectionString;
        private SqlConnection Conn;
        private SqlCommand Comm;
        public string StrSQL;
        public string DataBaseName;
        public string DataBase_MDF;
        public string DataBase_LDF;
        public string DataBaseOfBackupName;
        public string DataBaseOfBackupPath;
        public Form1()
        {
            InitializeComponent();
            InitData();
        }
        /// <summary>
        /// 初始化数据
        /// </summary>
        private void InitData()
        {
            this.ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"].ToString();
        }
        /// <summary>
        /// 执行创建/修改数据库和表的操作
        /// </summary>
        public void DataBaseAndTableControl()
        {
            try
            {
                Conn = new SqlConnection(ConnectionString);
                Conn.Open();
                Comm = new SqlCommand();
                Comm.Connection = Conn;
                Comm.CommandText = StrSQL;
                Comm.CommandType = CommandType.Text;
                Comm.ExecuteNonQuery();
                MessageBox.Show("数据库操作成功！", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            finally
            {
                Conn.Close();
            }
        }
        /// <summary>
        /// 附加数据库
        /// </summary>
        public void AddDataBase()
        {
            try
            {
                Conn = new SqlConnection(ConnectionString);
                Conn.Open();
                Comm = new SqlCommand();
                Comm.Connection = Conn;
                Comm.CommandText = "sp_attach_db";
                Comm.Parameters.Add(new SqlParameter(@"dbname", SqlDbType.NVarChar));
                Comm.Parameters[@"dbname"].Value = DataBaseName;
                Comm.Parameters.Add(new SqlParameter(@"filename1", SqlDbType.NVarChar));
                Comm.Parameters[@"filename1"].Value = DataBase_MDF;
                Comm.Parameters.Add(new SqlParameter(@"filename2", SqlDbType.NVarChar));
                Comm.Parameters[@"filename2"].Value = DataBase_LDF;
                Comm.CommandType = CommandType.StoredProcedure;
                Comm.ExecuteNonQuery();
                MessageBox.Show("附加数据库成功", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            finally
            {
                Conn.Close();
            }
        }
        /// <summary>
        /// 分离数据库
        /// </summary>
        public void DeleteDataBase()
        {
            try
            {
                Conn = new SqlConnection(ConnectionString);
                Conn.Open();
                Comm = new SqlCommand();
                Comm.Connection = Conn;
                Comm.CommandText = @"sp_detach_db";
                Comm.Parameters.Add(new SqlParameter(@"dbname", SqlDbType.NVarChar));
                Comm.Parameters[@"dbname"].Value = DataBaseName;
                Comm.CommandType = CommandType.StoredProcedure;
                Comm.ExecuteNonQuery();
                MessageBox.Show("分离数据库成功", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            finally
            {
                Conn.Close();
            }
        }
        /// <summary>
        /// 备份数据库
        /// </summary>
        public void BackupDataBase()
        {
            try
            {
                Conn = new SqlConnection(ConnectionString);
                Conn.Open();
                Comm = new SqlCommand();
                Comm.Connection = Conn;
                Comm.CommandText = "use master;backup database @dbname to disk = @backupname;";
                Comm.Parameters.Add(new SqlParameter(@"dbname", SqlDbType.NVarChar));
                Comm.Parameters[@"dbname"].Value = DataBaseName;
                Comm.Parameters.Add(new SqlParameter(@"backupname", SqlDbType.NVarChar));
                Comm.Parameters[@"backupname"].Value = @DataBaseOfBackupPath + @DataBaseOfBackupName;
                Comm.CommandType = CommandType.Text;
                Comm.ExecuteNonQuery();
                MessageBox.Show("备份数据库成功", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            finally
            {
                Conn.Close();
            }
        }
        /// <summary>
        /// 还原数据库
        /// </summary>
        public void ReplaceDataBase()
        {
            try
            {
                string BackupFile = @DataBaseOfBackupPath + @DataBaseOfBackupName;
                Conn = new SqlConnection(ConnectionString);
                Conn.Open();
                Comm = new SqlCommand();
                Comm.Connection = Conn;
                Comm.CommandText = "use master;restore database @DataBaseName From disk = @BackupFile with replace;";
                Comm.Parameters.Add(new SqlParameter(@"DataBaseName", SqlDbType.NVarChar));
                Comm.Parameters[@"DataBaseName"].Value = DataBaseName;
                Comm.Parameters.Add(new SqlParameter(@"BackupFile", SqlDbType.NVarChar));
                Comm.Parameters[@"BackupFile"].Value = BackupFile;
                Comm.CommandType = CommandType.Text;
                Comm.ExecuteNonQuery();
                MessageBox.Show("还原数据库成功", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            finally
            {
                Conn.Close();
            }
        }
        //  还原数据库
        private void button0_Click(object sender, EventArgs e)
        {

            DataBaseName = this.txtBaseName.Text;
            DataBaseOfBackupName = this.txtBfName.Text;
            DataBaseOfBackupPath = this.txtBfPath.Text;
            ReplaceDataBase();
        }

        // 附加数据库
        private void button1_Click(object sender, EventArgs e)
        {
            DataBase_MDF = this.txtData.Text;
            DataBase_LDF = this.txtLOG.Text;
            AddDataBase();
        }

        // 备份数据库
        private void button2_Click(object sender, EventArgs e)
        {
            DataBaseName = this.txtBaseName1.Text;

            DataBaseOfBackupName = this.txtBfName1.Text +".bak";

            DataBaseOfBackupPath = this.txtBfPath1.Text;

            BackupDataBase();
        }

        // 分离数据库
        private void button3_Click(object sender, EventArgs e)
        {
            DataBaseName = this.txtDataBase.Text; ;
            DeleteDataBase();
        }

        private void button5_Click(object sender, EventArgs e)
        {
            this.ofdDialog.ShowDialog();
            this.txtData.Text = this.ofdDialog.FileName.ToString();
        }

        private void button6_Click(object sender, EventArgs e)
        {
            this.fbdDialog.ShowDialog();
            this.txtData.Text = this.fbdDialog.SelectedPath;
        }

        private void button4_Click(object sender, EventArgs e)
        {
            ofdDialog.Title = "选择数据文件";
            ofdDialog.InitialDirectory = @"c:\";
            ofdDialog.Filter = "数据文件(*.mdf)|*.mdf";//|All files (*.*)|*.*";
            ofdDialog.FileName = "";
            ofdDialog.RestoreDirectory = true;
            if (this.ofdDialog.ShowDialog() == DialogResult.OK)
            {
                string target = ".";
                char[] anyof = target.ToCharArray();
                int at = this.ofdDialog.SafeFileName.ToString().LastIndexOfAny(anyof);
                 DataBaseName = this.ofdDialog.SafeFileName.Remove(at);
                this.txtData.Text = this.ofdDialog.FileName.ToString();
            }
        }

        private void button7_Click(object sender, EventArgs e)
        {
            ofdDialog.Title = "选择日志文件";
            ofdDialog.InitialDirectory = @"c:\";
            ofdDialog.Filter = "数据文件(*.ldf)|*.ldf";//|All files (*.*)|*.*";
            ofdDialog.FileName = "";
            ofdDialog.RestoreDirectory = true;
            if (this.ofdDialog.ShowDialog() == DialogResult.OK)
            {
                this.txtLOG.Text = this.ofdDialog.FileName.ToString();
            }
        }
        /// <summary>
        /// 得到一个字符串路径中包含文件名称
        /// </summary>
        /// <param name="path"></param>
        /// <returns></returns>
        public string GetPathName(string path)
        {
            string target = "\\";
            string target1 = ".";
            char[] anyof = target.ToCharArray();
          
            char[] anyof1 = target1.ToCharArray();
            int at = path.LastIndexOfAny(anyof);
            int at2 = path.LastIndexOfAny(anyof1);
         
            string Name = path.Substring(at+1, at2-at-1);
            return Name;

        }

        public static string GetPathNameTwoPoint(string path)
        {
            string target = "\\";
            string target1 = ".";
            char[] anyof = target.ToCharArray();
            char[] anyof1 = target1.ToCharArray();
            int at = path.LastIndexOfAny(anyof);
            int at2 = path.IndexOfAny(anyof1);
            string Name = path.Substring(at + 1, at2 - at - 1);
            return Name;

        }

        private void button8_Click(object sender, EventArgs e)
        {
           
            ofdDialog.Title="选择备份文件";
            ofdDialog.InitialDirectory = @"c:\";
            ofdDialog.Filter = "备份文件(*.bak)|*.bak";
            ofdDialog.FileName = "";
            ofdDialog.RestoreDirectory = true;
            if (this.ofdDialog.ShowDialog() == DialogResult.OK)
            {
                this.txtBfName.Text = this.ofdDialog.SafeFileName.ToString();

                string target = "\\";
                char[] anyof = target.ToCharArray();
                int at = this.ofdDialog.FileName.ToString().LastIndexOfAny(anyof);
                this.txtBfPath.Text = this.ofdDialog.FileName.ToString().Remove(at) + "\\";
            }
        }

        private void button5_Click_1(object sender, EventArgs e)
        {
            if (this.fbdDialog.ShowDialog() == DialogResult.OK)
            {
                this.txtBfPath1.Text = this.fbdDialog.SelectedPath.ToString()+"\\";
                MessageBox.Show(txtBfPath1.Text);
            }
        }
    }
}