视觉基础等于或大于 [英] visual basics equal to or grater than

问题描述

嗨有人可以帮我一个简单的代码，我试着写一个代码，说明如果textbox1等于0在10之间，那么HandDecimal = 1否则如果textbox1等于10.1到100则HandDecimal = 3否则如果texbox1等于100.1并且比HandDecimal = 5更重要



这里是我输入的代码，但它对我不起作用。

< pre lang =vb> 如果 WeightDecimal = 0 < = 10 然后

HandDecimal = 1

ElseIf WeightTextBox.Text = 10 < = 100 然后

HandDecimal = 3

ElseIf WeightTextBox.Text> = 100 。 1 然后

HandDecimal = 5

结束 如果

谢谢你的答案。

解决方案

不能使用 TextBox.Text ：这是字符串，不是数值;使用，例如， double.Parse（TextBox.Text）或 double.TryParse（TextBox.Text）：

http://msdn.microsoft.com/en-us /library/system.double.parse.aspx [ ^ ]，

http://msdn.microsoft.com/en-us/library/system.double.tryparse.aspx [ ^ ]。



你想说什么？你的 ... = 10< = 100 完全不清楚。您是要分配，比较为零还是检查订单？如果您需要检查订单（如您所说，0到10之间），它应该是：

  if   0 < = someValue< =  10  然后 ... 
 ' 取决于你想要的，省略一个或两个' ='从'< ='...  

我不知道究竟建议的是什么：也许在继续之前，请阅读语法，查看一些手册中的大多数基本代码示例...

-SA

你想要检查WeightDecimal'的值应该是0到10

然后写下条件如下...

 如果  WeightDecimal> =  0  和 WeightDecimal< =  10   然后 

以便代码如下所示，...

 如果  WeightDecimal> =  0  和 WeightDecimal< =  10   然后 
 HandDecimal = < span class =code-digit> 1  
  ElseIf   Convert.ToDecimal（WeightTextBox.Text）>  10  和 Convert.ToDecimal（WeightTextBox.Text）< =  100   然后 
 HandDecimal =  3  
  ElseIf   Convert.ToDecimal（WeightTextBox.Text）> =  100 。 1   然后 
 HandDecimal =  5  
 结束 如果 

< br $>
快乐编码！

：）

hi can someone help me with a simple code, i am trying to write a code that says if textbox1 is equal to 0 between 10 then HandDecimal = 1 else if textbox1 is equal to 10.1 through 100 then HandDecimal = 3 else if texbox1 is equal to 100.1 and grater than HandDecimal = 5

here is the code i put, but it does not work for me.

If WeightDecimal = 0 <= 10 Then

        HandDecimal = 1

    ElseIf WeightTextBox.Text = 10 <= 100 Then

        HandDecimal = 3

    ElseIf WeightTextBox.Text >= 100.1 Then

        HandDecimal = 5

    End If

thanks for your answers.

解决方案

Don''t work with TextBox.Text: this is string, not a numeric value; work with, say, double.Parse(TextBox.Text) or double.TryParse(TextBox.Text):
http://msdn.microsoft.com/en-us/library/system.double.parse.aspx[^],
http://msdn.microsoft.com/en-us/library/system.double.tryparse.aspx[^].

What are you trying to say with your "… = 10 <= 100" is totally unclear. Are you trying to assign, compare to zero or check the order? If you need to check the order (as you say, "between 0 and 10"), it should be:

if 0 <= someValue <= 10 then ...
' depending on what you want, omit one or both '=' from '<=' ...

I don''t know what exactly to advise: perhaps, before going on, read on the syntax, look at most basic code samples in some manual…

—SA

you probebly want to check WeightDecimal''s value should be in 0 to 10
then write condition as below...

If WeightDecimal >= 0 and WeightDecimal <= 10 Then

so that code should be like below,...

If WeightDecimal >= 0 and WeightDecimal  <= 10 Then
          HandDecimal = 1
ElseIf Convert.ToDecimal(WeightTextBox.Text) > 10 and Convert.ToDecimal(WeightTextBox.Text) <= 100 Then
          HandDecimal = 3
ElseIf Convert.ToDecimal(WeightTextBox.Text) >= 100.1 Then
          HandDecimal = 5
End If

Happy Coding!
:)

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