跪求c# sql server数据库视频!!!

来源:百度知道 编辑:UC知道 时间:2024/05/16 06:21:33
跪求!!!弄了好几天了 网上找的一些例子看都看不懂,都无奈了!
谁有c#连sql server 数据库 视频麻烦传个地址上来!要最最最最基础的那种,谢谢!谢谢!!谢谢!!!

首先引入名称空间:
using System.Data.SqlClient;
using System.Data;

string connstr = @"Data Source=YOURDATABASE;Persist Security Info=True;User ID=userid;Password=yourpwd;Unicode=True";
string strSelect = "select * from youtable";
SqlConnection cn = new SqlConnection(connstr);
cn.Open();
SqlDataAdapter dadv = new SqlDataAdapter(strSelect, cn);
dadv.Fill(dsdv);
cn.Close();
dataGridView1.DataSource = bddv;
bddv.DataMember = dsdv.Tables[0].TableName.ToString();
bddv.DataSource = dsdv;

string strSql = "select count(*) from T_Server where Description=@Description and id <> @id";
SqlCommand sqlcom = new SqlCommand(strSql, MyConn());
sqlcom.Connection.Open();
sqlcom.Parameters.Add("@Description", SqlDbType.VarChar).Value = insertSql;
sqlcom.Parameters.Add("@id", SqlDbType.Int).Value = id;