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QuestionTextbox validation c# help Pin
User 94041062-Oct-12 8:57
MemberUser 94041062-Oct-12 8:57 
Hi, so I have multiple textboxes on my c# winform and I am looking for a method to validate each box.

My current implementation works, however I am trying to find a way to expand on it and report which textboxes are not validating successfully.

So say return a string or array where i can search through and then set an errorprovider on them.

This is my validation method.(The method is void and not a bool because i want to return a variable with the failed textboxes)
C#
public bool Successful { get; set; }
public string Information { get; set; }

public void ValidateText(List<object> textbox)
{
    foreach (object obj in textbox)
    {
        if (obj == "")
        {
            Successful = false;
        }
        else
        {
            Successful = true;
        }
    }

}


and here is my main code
C#
//list
            List<object> textbox = new List<object>();
            textbox.Add(FirstNTxt.Text);
            textbox.Add(LastNTxt.Text);
            textbox.Add(CourseTxt.Text);
            //validation
            FormValidation validate = new FormValidation();
            validate.ValidateText(textbox);
            if(!validate.Successful)
            {
                MessageBox.Show("error");
            }
            else
            {
               //more stuff that i did not paste in.
            }


Any assistance will be appreciated, thanks.

modified 11-Mar-21 21:01pm.

AnswerRe: Textbox validation c# help Pin
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