Description:
In this example we explain
that how to Pass Exception error message from controller to view in Asp.Net
MVC.or how to pass or send Exception error message from controller to Razor
view in MVC.or how to show Exception error message from controller to view in
Asp.Net MVC.or how to validate the control at controller side and display error
message in Razor view in mvc.or how to validate the control validation in
controller and pass this validation message to view and display it in
validation summary.
Here we use
Html.ValidationSummary Html Helper class to display Exception error message
from controller to view in Asp.net MVC.
public class PersonModel
{
[Display(Name = "Age")]
[Required(ErrorMessage = "Age is required.")]
public string Age { get; set; }
}
Controller:
public class EmployeeController
: Controller
{
public ActionResult Index()
{
return
View();
}
[HttpPost]
public ActionResult Index(PersonModel
person)
{
try
{
int
age = int.Parse(person.Age);
}
catch
(Exception ex)
{
string
message = string.Format("<b>Message:</b> {0}<br /><br />",
ex.Message);
message += string.Format("<b>StackTrace:</b>
{0}<br /><br />", ex.StackTrace.Replace(Environment.NewLine, string.Empty));
message += string.Format("<b>Source:</b>
{0}<br /><br />", ex.Source.Replace(Environment.NewLine, string.Empty));
message += string.Format("<b>TargetSite:</b>
{0}", ex.TargetSite.ToString().Replace(Environment.NewLine,
string.Empty));
ModelState.AddModelError(string.Empty, message);
}
return
View();
}
}
View:
@model
MobileNumber_Validation_MVC.Models.PersonModel
@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<title>Pass
(Show) Exception Error Message from Controller to View in ASP.Net MVC</title>
<style type="text/css">
body
{
font-family:
Arial;
font-size:
10pt;
}
.error
{
color:
red;
}
.exception
{
color:
brown;
}
</style>
</head>
<body>
@using (Html.BeginForm("Index",
"Employee", FormMethod.Post))
{
<table>
<tr>
<td>@Html.LabelFor(m
=> m.Age)</td>
<td>@Html.TextBoxFor(m
=> m.Age)</td>
<td>@Html.ValidationMessageFor(m
=> m.Age, "",new { @class = "error" })</td>
</tr>
<tr>
<td></td>
<td><input type="submit" value="Submit"/></td>
<td></td>
</tr>
</table>
@Html.Raw(HttpUtility.HtmlDecode((Html.ValidationSummary(false,
"", new { @class = "exception" })).ToHtmlString()))
}
</body>
@Scripts.Render("~/bundles/jquery")
@Scripts.Render("~/bundles/jqueryval")
</html>
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