private void but_Login_Click(object sender, EventArgs e)
{
try
{
but_Login.Enabled = false;
Msg.RunInBackground(
delegate(object obj, DoWorkEventArgs ce)
{
if (TB_name.Text.Trim() == "")
{
string msg = "用户名不能为空";
errorProvider1.SetError(TB_name, msg);
Msg.ShowErrorMsg(msg);
TB_name.Focus();
return;
}
else if (TB_Pwd.Text.Trim() == "")
{
string msg = "密码不能为空";
errorProvider1.SetError(TB_Pwd, msg);
Msg.ShowErrorMsg(msg);
TB_Pwd.Focus();
return;
}
ClientServicesProxy proxys = new ClientServicesProxy();
tb_User p = new tb_User {
User_Name = TB_name.Text.Trim(), User_Pwd = TB_Pwd.Text.Trim()
};
ce.Result = proxys.Find(p).FirstOrDefault();
},
delegate(object obj, RunWorkerCompletedEventArgs rce)
{
var result = rce.Result as tb_User;
if (result.IsNotNull() && result.User_Name.IsNotNull() && result.User_Pwd.IsNotNull() && result.User_Name.IsEquals(TB_name.Text.Trim()) && result.User_Pwd.IsEquals(TB_Pwd.Text.Trim()))
{
App.CertificationUser = result;
Frm_Main main = new Frm_Main();
Frm_SDXT.pass = TB_Pwd.Text.Trim();
main.Show();
this.Hide();
}
else
{
string msg = "用户名或密码错误";
errorProvider1.SetError(TB_Pwd, msg);
Msg.ShowErrorMsg(msg);
TB_Pwd.Focus();
TB_name.Focus();
}
});
}
catch (Exception ex)
{
Msg.ShowErrorMsg(ex);
}
finally
{
but_Login.Enabled = true;
}
}
/// <summary>
/// Adds Items to the bill
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btn_addToBill_Click(object sender, EventArgs e)
{
if (validation())
{
if (billArea.Controls.Count < 1)
{
RefreshBill();
}
billItem bItem = new billItem();
bItem.ItemName = TB_name.Text;
bItem.ItemCat = cat;
bItem.ItemPrice = TB_price.Text;
bItem.ItemQty = TB_qty.Text;
bItem.Size = new Size(245, 45);
bItem.DoubleClick += BItem_DoubleClick;
billArea.Controls.Add(bItem);
this.ActiveControl = bItem;
billArea.ScrollControlIntoView(bItem);
//Add item to the bill
try
{
String Qry = "INSERT INTO Bill (Bill_ID, ItemID , ItemName, ItemCategory, ItemDiscount, ItemPrice, Qty, Total, Date, Time) " +
"VALUES (" +
BillID + "," +
itemID + "," +
"'" + TB_name.Text + "'," +
"'" + cat + "'," +
TB_dis.Text + "," +
TB_price.Text + "," +
TB_qty.Text + "," +
float.Parse(TB_qty.Text) * float.Parse(TB_price.Text) +
",'" + DateTime.Now.ToString("yyyy-MM-dd") + "'" +
",'" + DateTime.Now.ToString("hh:mm:ss") + "')";
SqlCommand cmd = new SqlCommand(Qry, Connection);
Connection.Open();
cmd.ExecuteNonQuery();
itemID = 0;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
Connection.Close();
}
CalculateTotal();
ReportAnalysis analysis = new ReportAnalysis();
analysis.UpdatePopularity();
TB_dis.Clear();
TB_name.Clear();
TB_price.Clear();
TB_qty.Clear();
MaskAdd(TB_name, "Enter Item Name");
MaskAdd(TB_price, "Enter Item Price");
MaskAdd(TB_qty, "Qty");
MaskAdd(TB_dis, "Discount");
MaskAdd(TB_search, "Search Items");
}
}