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  • C#连接数据库的普通方法

    1.首先,配置web

    <configuration>
        <connectionStrings>
            <add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient"/>
            <add name="conn" connectionString="Data Source=orcl;User ID=xue;Password=xue123;Unicode=True" providerName="System.Data.OracleClient"/>
        </connectionStrings>

    2.连接程序

    protected void Button1_Click1(object sender, EventArgs e)
        {
            string oc = ConfigurationManager.ConnectionStrings["conn"].ToString();
            OracleConnection orc = new OracleConnection(oc);
             OracleCommand omd1 = new OracleCommand();
             OracleCommand omd2 = new OracleCommand();
                omd1.Connection = orc;
                omd2.Connection = orc;
                orc.Open();
                 String sql2= "select * from ADMIN";
                 String sql1 = "insert into ADMIN values('lang','lang123')";
                 this.Label1.Text = "已将数据插入到Oracle数据库";
                omd1.CommandText = sql1;
                omd2.CommandText = sql2;
                omd1.ExecuteNonQuery();
                omd2.ExecuteNonQuery();
            
        }
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  • 原文地址:https://www.cnblogs.com/canyangfeixue/p/2712873.html
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