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  • 数据库查询Database中的表

     public class UserDA
        {
             
             SqlConnection conn;
             SqlCommand cmd;
             public UserDA(Use uuu)
             {
                 conn =new SqlConnection( "server=" + uuu.Server + ";database=" + uuu.Database + ";user=" + uuu.User + ";pwd=" + uuu.Pwd);
                 cmd = conn.CreateCommand();
             }
     public ArrayList Table(string database)
             {
                 cmd.CommandText = "Select TABLE_NAME FROM "+database+".INFORMATION_SCHEMA.TABLES Where TABLE_TYPE='BASE TABLE' ";
                 conn.Open();
                 SqlDataReader dr = cmd.ExecuteReader();
                 string a = null;
                 if (dr.HasRows)
                 {
                     while(dr.Read())
                     {
                         a = dr["TABLE_NAME"].ToString();
                         al.Add(a);
                     }
                 }
                 cmd.Dispose();
                 conn.Close();
                 return al;
    }
        public partial class Form2 : Form
        {
            private Use UUU;
            public Form2(Use uuu)
            {
                InitializeComponent();
                UUU = uuu;
            }
    
            private void Form2_Load(object sender, EventArgs e)           
            {
                ArrayList aaa = new UserDA(UUU).Table(UUU.Database);
                for (int y = 0; y < aaa.Count; y++)
                {  
                    comboBox1.Items.Add(aaa[y]);            
                }
            }

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  • 原文地址:https://www.cnblogs.com/18553325o9o/p/4659950.html
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