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How can I check if Html.ValidationSummary() has any errors?
Ultimate result required:
<% if(I_HAVE_ERRORS) {%> <div><%= Html.ValidationSummary() %></div> <%}%> In other words, how can I determine "I_HAVE_ERRORS"?
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The ValidationSummary() extension method displays a summary of all validation errors on a web page as an unordered list element. It can also be used to display custom error messages.
ValidationSummary control Syntax :Step 1 – Open Visual Studio –> Create a new empty Web application. Step 2 – Create a new web form and design a web form as shown in below screen. Step 3 – Drag and drop ValidationSummary control from Toolbox. List of Properties of ValidationSummary control.
The ValidationSummary class is used to summarize the error messages from all validators on a Web page in a single location. You can summarize the error messages from a group of validators on a Web page by assigning the ValidationSummary control to a validation group by setting the ValidationGroup property.
AddModelError() method. The ValidationSummary() method will automatically display all the error messages added in the ModelState . Thus, you can use the ValidationSummary helper method to display error messages.
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