C# sqlserver2005 操作_operateinfo reciveinfo = str.toobject<operateinfo>-CSDN博客

本文链接：https://blog.csdn.net/gladraul/article/details/5090172

本文介绍如何使用C#进行SQL数据库的基本操作，包括通过SqlDataReader读取数据、使用存储过程、利用SqlDataAdapter填充DataSet并更新数据库等。通过实例演示了不同场景下的SQL数据交互方式。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;

namespace SQLManagerTest
{
    class SqlOperateInfo
    {
        //Suppose your ServerName is "aa",DatabaseName is "bb",UserName is "cc", Password is "dd"
        private string sqlConnectionCommand =aa;Initial Catalog=bb;User ID=cc;Pwd=dd";
        //This table contains two columns:KeywordID int not null,KeywordName varchar(100) not null
        private string dataTableName = "RSI_FileMD";
        private string storedProcedureName = "Sp_InertToBasic_Keyword_Test";
        private string sqlSelectCommand = "Select RSI_FileMDID, RSI_FileID, FileName, FilePath, SensorType, ShootTime, North, West, South, East From RSI_FileMD";
        //sqlUpdateCommand could contain "insert" , "delete" , "update" operate
        //private string sqlUpdateCommand = "Delete From Basic_Keyword_Test Where KeywordID = 1";

        public void UseSqlReader()
        {
            //表示SQL Server 数据库的一个打开的连接
            SqlConnection sqlConnection = new SqlConnection(sqlConnectionCommand);
            //表示对SQL Server 数据库执行的一个Transact-SQL语句或存储过程
            SqlCommand sqlCommand = new SqlCommand();
            sqlCommand.CommandType = System.Data.CommandType.Text;
            sqlCommand.Connection = sqlConnection;
            sqlCommand.CommandText = sqlSelectCommand;
            sqlConnection.Open();
            SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
            while (sqlDataReader.Read())
            {
                //Get KeywordID and KeywordName , You can do anything you like. Here I just output them.
                int fileMDId = (int)sqlDataReader["RSI_FileMDID"];
                int fileId = (int)sqlDataReader["RSI_FileID"];
                string fileName = (string)sqlDataReader["FileName"];
                string filePath = (string)sqlDataReader["FilePath"];
                string sensorType = (string)sqlDataReader["SensorType"];
                DateTime shootTime = Convert.ToDateTime(sqlDataReader["ShootTime"]);
                float north = Convert.ToSingle(sqlDataReader["North"]);
                float west = Convert.ToSingle(sqlDataReader["West"]);
                float south = Convert.ToSingle(sqlDataReader["South"]);
                float east = Convert.ToSingle(sqlDataReader["East"]);
                Console.WriteLine("FileMDID = " + fileMDId + " , FileID = " + fileId + " , FileName= " + fileName + " , DateTime= " + shootTime + " , North= " + north);
            }
            sqlDataReader.Close();
            sqlCommand.Dispose();
            sqlConnection.Close();
        }

        public void UseSqlSelectProcedure(string sqlSelect)
        {
            //表示SQL Server 数据库的一个打开的连接
            SqlConnection sqlConnection = new SqlConnection(sqlConnectionCommand);
            //表示对SQL Server 数据库执行的一个Transact-SQL语句或存储过程
            SqlCommand sqlCommand = new SqlCommand();
            sqlCommand.CommandType = System.Data.CommandType.Text;
            sqlCommand.Connection = sqlConnection;
            sqlCommand.CommandText = sqlSelect;
            sqlConnection.Open();
            SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
            while (sqlDataReader.Read())
            {
                //Get KeywordID and KeywordName , You can do anything you like. Here I just output them.
                //int fileMDId = (int)sqlDataReader["RSI_FileMDID"];
                //int fileId = (int)sqlDataReader["RSI_FileID"];
                string fileName = (string)sqlDataReader["FileName"];
                string filePath = (string)sqlDataReader["FilePath"];
                //string sensorType = (string)sqlDataReader["SensorType"];
                DateTime shootTime = Convert.ToDateTime(sqlDataReader["ShootTime"]);
                float north = Convert.ToSingle(sqlDataReader["North"]);
                //float west = Convert.ToSingle(sqlDataReader["West"]);
                //float south = Convert.ToSingle(sqlDataReader["South"]);
                //float east = Convert.ToSingle(sqlDataReader["East"]);
                Console.WriteLine("FileName= " + fileName + " , DateTime= " + shootTime + " , North= " + north);
            }
            sqlDataReader.Close();
            sqlCommand.Dispose();
            sqlConnection.Close();
        }

        public void UseSqlStoredProcedure()
        {
            SqlConnection sqlConnection = new SqlConnection(sqlConnectionCommand);
            SqlCommand sqlCommand = new SqlCommand();
            sqlCommand.CommandType = CommandType.StoredProcedure;
            sqlCommand.Connection = sqlConnection;
            sqlCommand.CommandText = storedProcedureName;
            sqlConnection.Open();
            sqlCommand.ExecuteNonQuery();
            //you can use reader here,too.as long as you modify the sp and let it like select * from ....
            sqlCommand.Dispose();
            sqlConnection.Close();
        }

        public void UseSqlDataSet()
        {
            SqlConnection sqlConnection = new SqlConnection(sqlConnectionCommand);
            SqlCommand sqlCommand = new SqlCommand();
            sqlCommand.CommandType = System.Data.CommandType.Text;
            sqlCommand.Connection = sqlConnection;
            sqlCommand.CommandText = sqlSelectCommand;
            sqlConnection.Open();
            SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
            sqlDataAdapter.SelectCommand = sqlCommand;
            DataSet dataSet = new DataSet();
            //sqlCommandBuilder is for update the dataset to database
            SqlCommandBuilder sqlCommandBuilder = new SqlCommandBuilder(sqlDataAdapter);
            sqlDataAdapter.Fill(dataSet, dataTableName);
            //Do something to dataset then you can update it to 　Database.Here I just add a row
            DataRow row = dataSet.Tables[0].NewRow();
            row[0] = 10000;
            row[1] = "new row";
            dataSet.Tables[0].Rows.Add(row);
            sqlDataAdapter.Update(dataSet, dataTableName);
            sqlCommand.Dispose();
            sqlDataAdapter.Dispose();
            sqlConnection.Close();
        }

        public DataSet GetSqlDataSet(string sqlSelect)
        {
            SqlConnection sqlConnection = new SqlConnection(sqlConnectionCommand);
            SqlCommand sqlCommand = new SqlCommand();
            sqlCommand.CommandType = System.Data.CommandType.Text;
            sqlCommand.Connection = sqlConnection;
            sqlCommand.CommandText = sqlSelect;
            sqlConnection.Open();

            SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
            sqlDataAdapter.SelectCommand = sqlCommand;
            DataSet dataSet = new DataSet();
            //sqlCommandBuilder is for update the dataset to database
            //SqlCommandBuilder sqlCommandBuilder = new SqlCommandBuilder(sqlDataAdapter);

sqlDataAdapter.Fill(dataSet, dataTableName);

            sqlCommand.Dispose();
            sqlDataAdapter.Dispose();
            sqlConnection.Close();
            return dataSet;
        }
    }

}