Converting HtmlString to Int

Question

I have a model with an attribute int. This attribute is a value that I need to count a forloop.

//Markup
@{var value = Html.DisplayFor(m => m.periodCounter).ToString();}
@for (var i = 0; i < Convert.ToInt32(value); i++)
{
//code here
}

I get the errormessage "Input string was not in a correct format". Is this possible to solve? All I really need to do is declaring a variable with the value of a textbox (in the same view). Right now I have a TextBoxFor and as you can see I'm trying to get and convert it with DisplayFor

What are you getting for value? If there are extra spaces, you might need to do a .Trim() — kei
– kei, Commented Mar 14, 2014 at 14:47
What are you trying to achieve? Why are you converting a variable to HTML and then to an int again? — Oscar Paz
– Oscar Paz, Commented Mar 14, 2014 at 14:50
Tried with trim as well. The application crashes as soon as the view is loaded so I don't have the time to fill the model. Is that possible the issue? — MrProgram
– MrProgram, Commented Mar 14, 2014 at 14:50
@OscarPaz I'm having a textbox where the users should put in a value (int) and that value do I need to count a forloop in the same view — MrProgram
– MrProgram, Commented Mar 14, 2014 at 14:51

spender · Accepted Answer · 2014-03-14 14:51:27Z

2

Um...

for (var i = 0; i < Model.periodCounter; i++)

?

answered Mar 14, 2014 at 14:51

spender

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5 Comments

MrProgram Over a year ago

The object is not created when the page loads (it's all in the same view). So I get "Object reference not set to an instance of an object"

Oscar Paz Over a year ago

Then your Html.DisplayFor(...), method will fail, too.

MrProgram Over a year ago

@OscarPaz oh..of course. But is it suppose to be so hard to just give me a int value from textbox to a C# var in the same view?

Tim S. Over a year ago

@krillezzz depending on the timing you're thinking of, it could be completely impossible. Remember that the C# is server-side, and the only code you can run client-side is JS.

MrProgram Over a year ago

@TimS. I will rewrite everyting in jquery and try. Inside the loop I'm supposing to make a table and the code is (for me) much easier to write when mixing C# in markup instead of jquery

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