如何從數據庫Mysql中選擇數據並將其添加到DataGridView上？

Question

這樣做的目的是爲了防止您加載了數據並且想要使用textbox來搜索人的姓名，電話號碼等並鍵入他的姓名，它將通過單擊按鈕直接添加到空數據網格視圖中。

string box = txtSearch.Text; 
      string table = "reservations"; 
      string query = "SELECT FROM reservations WHERE Client like '%" + box; 
      connection.Open(); 
      MySqlDataAdapter da_res = null; 
      DataSet ds_res = null; 
      ds_res = new DataSet(); 
      da_res = new MySqlDataAdapter(query, connection); 
      da_res.Fill(ds_res, table); 

      dgvUser.DataSource = ds_res.Tables[table]; 

這裏的代碼實際上我有6個colums我只嘗試過一個到目前爲止。該erorr發生在da_res.Fill(ds_res, table);

這是erorr細節：

您的SQL語法錯誤;檢查對應於你的MySQL服務器版本在第1" 行

MySqlConnection connection = null; 
      string hostname = "localhost"; 
      string database = "aparece_hoteldb"; 
      string username = "root"; 
      string password = ""; 
      connection = new MySqlConnection("host=" + hostname + 
              ";database=" + database + 
              ";username=" + username + 
              ";password=" + password + ";"); 

Answer 1

恰克這個「FROM保留WHERE客戶LIKE'％名客戶的使用附近的正確語法手冊：

string query = "SELECT FROM reservations WHERE Client like '%" + box; 

到這：

string query = "SELECT * FROM reservations WHERE Client like '%" + box +"%'"; 

您不選擇任何列

，當你問她。 e是對你工作示例（你真的需要學習使用谷歌）...

private void MainClass_Load(object sender, System.EventArgs e) 
{ 
    string connectionString = @"Driver={MySQL};SERVER=localhost;DATABASE=NorthwindMySQL;"; 

    OdbcConnection conn= new OdbcConnection(connectionString); 
    conn.Open(); 

    OdbcDataAdapter da = new OdbcDataAdapter ("SELECT CustomerID, ContactName, ContactTitle FROM Customers", conn);    

    DataSet ds = new DataSet("Cust");  
    da.Fill(ds, "Customers"); 

    dataGrid1.DataSource = ds.DefaultViewManager; 
    conn.Close(); 
}