我正在尝试在Visual Studio上制作项目。
我在组合框中有以下数据,我想知道如何将价格(CStr
)乘以用户选择的天数,从而在另一个文本框中显示总数使用计算按钮
{cmbPedigreeDog.Items.Add("African Hairless" & CStr(1.14))
cmbPedigreeDog.Items.Add("Boxer" & CStr(0.86))
cmbPedigreeDog.Items.Add("Chihuahua" & CStr(1.83))
cmbPedigreeDog.Items.Add("Dalmation" & CStr(0.65))
cmbPedigreeDog.Items.Add("Eskimo Dog" & CStr(1.14))
cmbPedigreeDog.Items.Add("Farm Collie" & CStr(0.95))
cmbPedigreeDog.Items.Add("GreyHound" & CStr(1.99))
cmbPedigreeDog.Items.Add("Husky" & CStr(1.85))
cmbPedigreeDog.Items.Add("Irish Setter" & CStr(0.65))
cmbPedigreeDog.Items.Add("Jack Russell Terrier" & CStr(1.77))
cmbPedigreeDog.Items.Add("King Charles Spaniel" & CStr(1.02))
cmbPedigreeDog.Items.Add("Labrador Retreiver" & CStr(1.74))
cmbPedigreeDog.Items.Add("Maltese" & CStr(1.47))
cmbPedigreeDog.Items.Add("Pug" & CStr(1.31))
cmbPedigreeDog.Items.Add("Rottweiler" & CStr(2.17))
cmbPedigreeDog.Items.Add("St bernard" & CStr(1.63))
cmbPedigreeDog.Items.Add("Tibetan Mastiff" & CStr(1.15))
cmbPedigreeDog.Items.Add("Working Sheep Dog" & CStr(0.75))
cmbPedigreeDog.Items.Add("Yorkshire Terrier" & CStr(0.88))
cmbPedigreeDog.Items.Add("Other" & CStr(1.22))}