如何将cobobox和unitprice中的项目相乘? [英] how can i multiply the items in cobobox and unitprice?

问题描述

我该如何将组合框和单价中的项目相乘?运算符"*"以产生结果:

  int  x =  int  .Parse(myCombo.SelectedItem.ToString() );
 int  y =  int  .Parse(myTextbox.Text);
 int  res = x * y; 

  int  .Parse(Product.SelectedValue.ToString());
 int  unitPrice =  int  .Parse(UnitPrice.SelectedValue.ToString());

 int  result = item1 * unitPrice 

how can i multiply the items in combobox and unitprice?

解决方案

Convert them to numbers, using Parse or TryParse, and (as Richard says) use the multiplication operator "*" to produce a result:

int x = int.Parse(myCombo.SelectedItem.ToString());
int y = int.Parse(myTextbox.Text);
int res = x * y;

int item1 =int.Parse(Product.SelectedValue.ToString());
int unitPrice=int.Parse(UnitPrice.SelectedValue.ToString());

int result = item1 *  unitPrice

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