读取mysql代码片段

读取mysql 


this.tmr.Enabled = false;
            
if (conn != null)
                conn.Close();

            
string connStr = String.Format("server={0};user id={1}; password={2}; 

database
=test; pooling=false",
                "localhost""root""root");

            
try
            {
                conn 
= new MySqlConnection(connStr);
                conn.Open();


            }
            
catch (MySqlException ex)
            {
                MessageBox.Show(
"Error connecting to the server: " + ex.Message);
            }

            
//  data = new DataTable();

            
//da = new MySqlDataAdapter("SELECT * FROM user" ,conn);
            
//cb = new MySqlCommandBuilder(da);

            
//da.Fill(data);

            
//dataGrid.DataSource = data;


            
//conn.Close();
            MySqlCommand mycmd = new MySqlCommand("select * from user", conn);
            MySqlDataReader myreader 
= mycmd.ExecuteReader();
            
while (myreader.Read())
            {
                
if (myreader.HasRows)
                {
                    Console.WriteLine(myreader.GetString(
"id"));
                    
//Response.Write(myreader.GetString("email")+"br/");
                }
            }
            myreader.Close();
            conn.Close();
原文地址:https://www.cnblogs.com/wangs/p/1941499.html