如果在項目中遇到用戶在客戶端編輯數(shù)據(jù),添加數(shù)據(jù).SQL整體更新到數(shù)據(jù)庫里面，應該怎么做呢？下面就將教您如何進行SQL整體更新，供您參考。
數(shù)據(jù)庫結(jié)構:

DataSet ds=new DataSet();讀取數(shù)據(jù)  
    private void button1_Click(object sender, System.EventArgs e)  
        {  
            //  
            string str_Conn="workstation id=JHTCHINA;packet size=4096;user id=sa;initial catalog=master;persist security info=False";  
            try  
            {  
                SqlConnection objConn=new SqlConnection(str_Conn);  
                string str_sql="select * from Test_Base";  
                SqlCommand objComm=new SqlCommand(str_sql,objConn);  
                SqlDataAdapter objAdapter=new SqlDataAdapter(objComm);                 
                objAdapter.Fill(ds,"Test_Base");  
                dataGrid1.DataSource=ds;  
            }  
            catch (Exception exc)  
            {  
                MessageBox.Show(exc.Message);  
            }  
        } 

CREATE TABLE [Test_Base] (
    [CodeZZB] [nvarchar] (50) COLLATE Chinese_PRC_CI_AS NOT NULL ,
    [InterName] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL ,
    [Guid] [nvarchar] (50) COLLATE Chinese_PRC_CI_AS NOT NULL CONSTRAINT [DF_LoginPerson_Guid] DEFAULT (newid()),
    CONSTRAINT [PK_Test_Base] PRIMARY KEY  CLUSTERED
    (
        [CodeZZB]
    )  ON [PRIMARY]
) ON [PRIMARY]
GO

定義 全局DataSet

DataSet ds=new DataSet();讀取數(shù)據(jù)  
    private void button1_Click(object sender, System.EventArgs e)  
        {  
            //  
            string str_Conn="workstation id=JHTCHINA;packet size=4096;user id=sa;initial catalog=master;persist security info=False";  
            try  
            {  
                SqlConnection objConn=new SqlConnection(str_Conn);  
                string str_sql="select * from Test_Base";  
                SqlCommand objComm=new SqlCommand(str_sql,objConn);  
                SqlDataAdapter objAdapter=new SqlDataAdapter(objComm);                 
                objAdapter.Fill(ds,"Test_Base");  
                dataGrid1.DataSource=ds;  
            }  
            catch (Exception exc)  
            {  
                MessageBox.Show(exc.Message);  
            }  
        } 

編輯添加dataGrid以后更新數(shù)據(jù)

private void button2_Click(object sender, System.EventArgs e)  
        {              
            try  
            {                  
                //這里ds.Table[0]里面的數(shù)據(jù)已經(jīng)改變  
                string str_Conn="workstation id=JHTCHINA;packet size=4096;user id=sa;initial catalog=master;persist security info=False";  
                //整體把修改的數(shù)據(jù)更新到數(shù)據(jù)庫里面  
                SqlConnection objConn=new SqlConnection(str_Conn);  
                string str_sql="select * from Test_Base";  
                SqlCommand objComm=new SqlCommand(str_sql,objConn);   
                SqlDataAdapter objAdapter=new SqlDataAdapter(objComm);  
                SqlCommandBuilder updataBulid=new SqlCommandBuilder(objAdapter);  
                objAdapter.Update(ds,"Test_Base");  
                  
                MessageBox.Show("OK");  
 
            }  
            catch  (Exception exc)  
            {  
                MessageBox.Show(exc.Message);  
            }  
        }  

運行通過

如果是SQL整體更新添加,在數(shù)據(jù)讀取的時候
string str_sql="select * from Test_Base where 1=2";
一句代碼就可以了
 

【編輯推薦】
逐條更新數(shù)據(jù)的SQL語句寫法

教您如何進行SQL跨表更新

SQL中IS NULL的語法

SQL中if語句的用法示例

巧用SQL server臨時表