物料管理系统

可对物料进行出入库登记、查询、统计等操作 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 using System; using System.Collections.Generic; using System.Text; using System.Data; using System.Data.SqlClient; using System.Windows.Forms; namespace FORU_SMS_.BaseClass { public class DataClass { BaseClass.DataConn Dconn = new DataConn(); SqlDataAdapter Mysda; DataSet Myds; DataTable Mydt; SqlCommand SqlCom; //返回一个DataSet public DataSet GetDataSet(string sql, string dt) { Mysda = new SqlDataAdapter(sql, Dconn.OpenConn()); Myds = new DataSet(); Mysda.Fill(Myds, dt); return Myds; } //绑定ComboBox控件 public void BindComboBox(string sql, string dt, string Par_Name, ComboBox cbox) { Myds = GetDataSet(sql, dt); cbox.DataSource = Myds.Tables[dt]; cbox.DisplayMember = Par_Name; } //执行SQL语句，无返回值 public void ExecuteSql(string sql) { try { SqlCom = new SqlCommand(sql, Dconn.OpenConn()); SqlCom.ExecuteNonQuery(); } catch (Exception e) { throw new Exception(e.Message); } finally { Dconn.CloseConn(); } } //验证用户登陆 public bool ChkLogin(string txtUser, string txtPass) { bool strEnter = false;