使用函数传递参数来执行相应的数据库操作

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.Buu731{display:none;}

usingSystem;
usingSystem.Configuration;
usingSystem.Data.SqlClient;
usingSystem.Data;
usingSystem.Collections;
比如:
//打开数据库

转自:动态网制作指南www.knowsky
publicstaticSqlConnectionOpenConnection()
 {
  SqlConnectionmysqlConn=newSqlConnection(ConfigurationSettings.AppSettings["connstring"]);
  

  try
  {
   mysqlConn.Open();
  }
  catch(Exceptione)
  {
   //rethrowthisexception
   throwe;
  }

  returnmysqlConn;
 }

//执行SQL返回DataSet
publicstaticDataSetGetDataSet(stringSQLQuery)
 {
  SqlConnectioncn=DBObject.OpenConnection();
  SqlDataAdapterda=newSqlDataAdapter(SQLQuery,cn);
  DataSetds=newDataSet();
  
  da.Fill(ds);
  
  //releaseresources
  da.Dispose();
  da=null;
  cn.Close();
  cn=null;

  returnds;
 }

//执行SQL语句
publicstaticvoidExecuteUpdateQuery(stringSQLQuery)
 {
  SqlConnectioncn=DBObject.OpenConnection();
  SqlCommandcmd=newSqlCommand();

  cmd.CommandText=SQLQuery;
  cmd.CommandType=CommandType.Text;
  cmd.Connection=cn;
  cmd.ExecuteNonQuery();
  
  cn.Close();
  cn=null;
 }

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