SqlConnection sqlconn=new SqlConnection("Server=(local);Database= ;User Id=sa;password=;");
sqlconn.Open();
SqlDataAdapter sda1=new SqlDataAdapter("select * from ",sqlconn);
DataSet ds1=new DataSet();
sda1.Fill(ds1);
olddepname.DataSource=ds1.Tables[0].DefaultView;
olddepname.DataTextField=" ";
olddepname.DataValueField =" ";
olddepname.DataBind();
sqlconn.Open();
SqlDataAdapter sda1=new SqlDataAdapter("select * from ",sqlconn);
DataSet ds1=new DataSet();
sda1.Fill(ds1);
olddepname.DataSource=ds1.Tables[0].DefaultView;
olddepname.DataTextField=" ";
olddepname.DataValueField =" ";
olddepname.DataBind();
本文介绍了一个使用C#连接SQL Server数据库并从中获取数据的简单示例。通过创建SqlConnection实例设置连接字符串,然后定义SqlDataAdapter来填充DataSet,最后将数据绑定到UI组件上。

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