C#读取*.sql文件，并执行里面的SQL语句

思路：先读取文件，以GO为段落，把每一个GO的段落当做一条SQL命令，在通过事务一起执行。

  
    

   
     public
   
      
   
     static
   
      ArrayList GetSqlFile(
   
     string
   
      varFileName, 
   
     string
   
      dbname)
 {
 ArrayList alSql 
   
     =
   
      
   
     new
   
      ArrayList();
 
   
     if
   
      (
   
     !
   
     File.Exists(varFileName))
 {
 
   
     return
   
      alSql;
 }
 StreamReader rs 
   
     =
   
      
   
     new
   
      StreamReader(varFileName, System.Text.Encoding.Default);
   
     //
   
     注意编码
   
     

   
      
   
     string
   
      commandText 
   
     =
   
      
   
     ""
   
     ;
 
   
     string
   
      varLine 
   
     =
   
      
   
     ""
   
     ;
 
   
     while
   
      (rs.Peek() 
   
     >
   
      
   
     -
   
     1
   
     )
 {
 varLine 
   
     =
   
      rs.ReadLine();
 
   
     if
   
      (varLine 
   
     ==
   
      
   
     ""
   
     )
 {
 
   
     continue
   
     ;
 }
 
   
     if
   
      (varLine 
   
     !=
   
      
   
     "
   
     GO
   
     "
   
      
   
     &&
   
      varLine 
   
     !=
   
      
   
     "
   
     go
   
     "
   
     )
 {
 commandText 
   
     +=
   
      varLine;
 commandText 
   
     =
   
      commandText.Replace(
   
     "
   
     @database_name=N'dbhr'
   
     "
   
     , 
   
     string
   
     .Format(
   
     "
   
     @database_name=N'{0}'
   
     "
   
     , dbname));
 commandText 
   
     +=
   
      
   
     "
   
     \r\n
   
     "
   
     ;
 }
 
   
     else
   
     
 {
 alSql.Add(commandText);
 commandText 
   
     =
   
      
   
     ""
   
     ;
 }
 }

 rs.Close();
 
   
     return
   
      alSql;
 }

 
   
     public
   
      
   
     static
   
      
   
     void
   
      ExecuteCommand(ArrayList varSqlList, 
   
     string
   
      connString)
 {

 SqlConnection MyConnection 
   
     =
   
      
   
     new
   
      SqlConnection(connString);
 MyConnection.Open();
 SqlTransaction varTrans 
   
     =
   
      MyConnection.BeginTransaction();
 SqlCommand command 
   
     =
   
      
   
     new
   
      SqlCommand();
 command.Connection 
   
     =
   
      MyConnection;
 command.Transaction 
   
     =
   
      varTrans;
 
   
     try
   
     
 {
 
   
     foreach
   
      (
   
     string
   
      varcommandText 
   
     in
   
      varSqlList)
 {
 command.CommandText 
   
     =
   
      varcommandText;
 command.ExecuteNonQuery();
 }
 varTrans.Commit();
 }
 
   
     catch
   
      (Exception ex)
 {
 varTrans.Rollback();
 
   
     throw
   
      ex;
 }
 
   
     finally
   
     
 {
 MyConnection.Close();
 }
 }