CODEWITHSUNDEEP
c#htmlasp.net-mvcrazor
Baraa
Baraa

Reputation: 697

C# for loop in html MVC

Hello I have the following for loop within html. I want to know how to output value i - 1. With the code below the output of the value ends up being:

0-1
1-1
2-1
3-1
4-1

@for(int i = 0; i < 5; i++){
    <input type="text" name="name_@i-1" value="@i-1">
}

The correct value of inputs should be the following:

-1
0
1
2
3

Any help is much appreciated!

Upvotes: 1

Views: 572

Answers (2)

Ian
Ian

Reputation: 30813

Should you not put parentheses for the computation?

@for(int i = 0; i < 5; i++){
    <input type="text" name="name_@(i-1)" value="@(i-1)">
}

When you do not put the parentheses, only i is considered C# code while -1 is simply rendered as text. For that reason you got your result, only the first number comes from i:

i-1 //
---
0-1
1-1
2-1
3-1
4-1

Upvotes: 2

Ant P
Ant P

Reputation: 25221

The value after the - is not being interpreted as part of the Razor expression. Use parentheses:

@for(int i = 0; i < 5; i++){
    <input type="text" name="name_@(i-1)" value="@(i-1)">
}

Upvotes: 1

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