Passing data from 2 forms to same textbox c#

Joel Bwana

I have two forms FormA and FormB. Each has combobox prefiled with data from database. I can pass data from each of these box to another formC but I have to comment out a section of the code each time. Is there a way to pass such data(when I click submit button) depending on which form I am working with?

Here is what my code looks like...

FormA(Source)

public static string authcode = "";

private void btnok_Click(object sender, EventArgs e)

{

authcode = cmbselectexam.SelectedItem.ToString();

Questions qs = new Questions();

qs.Show();

this.Hide();

}

FormB(Another source)

public static string setauthcode = "";

setauthcode =txtauthorizationcode.Text;

Questions qs = new Questions();

this.Hide();

qs.Show();

FormC(recepient)

private void Questions_Load(object sender, EventArgs e)

{

//txtauthorizationcode.Text = TestDetails.setauthcode;

txtauthorizationcode.Text = EditQuestions.authcode;

}

12 Replies

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Joel Bwana6y ago
I found a work around to this problem...just created seperate forms to be used by each of thhe two forms.
+1
Hamid Khan6y ago
Please go through this link
https://stackoverflow.com/questions/14782244/how-to-pass-data-of-multiple-text-boxes-from-one-form-to-another-with-button-cli

Hope it will help you.
+1
Joel Bwana6y ago
Mr. Sahoo,
Thanks for your response. Your solution addresses only 2 of the forms. What do I do with the third form?
Thanks
+2
Laxmidhar Sahoo6y ago
Hi
//static variable can not access in non static member
//Questions form
     public string authcode = "";
        private void Questions_Load(object sender, EventArgs e)
        {
            string setstr = authcode;
        }

        public void setauthcode(string code)
        {
            this.authcode = code;
        }

//another calling form

public string authcode = "";
        private void button4_Click(object sender, EventArgs e)
        {
            authcode = textBox1.Text;
            Questions qs = new Questions();
            qs.setauthcode(authcode);
            qs.Show();
            this.Hide();
        }
Thanks and regards
+2
Jenith Thakkar6y ago
Hi
Is there any condition like setauthcode is null or blank then set authcode otherwise set setauthcode ?
+2
Rajanikant Hawaldar6y ago
Are you getting any runtime error with my changes? Are you implemented Singleton Pattern in formA and formB?
+2
Joel Bwana6y ago
All, I am using Windows Forms, NOT web forms. Also, the problem is NOT how to pass data between 2 different forms. It is passing data to SAME object(textbox in my case) from 2 different forms.
+2
Joel Bwana6y ago
Mr. Hawaldar,
Thanks for your efforts. I get the same behavior as before. The data is displayed when I click the submit on the first form but not with second form.
+2
Rajanikant Hawaldar6y ago
Hello Joel Bwana, Code changes are done check it and let me know if need further help.
FormA(Source)

public static string authcode = "";


private void btnok_Click(object sender, EventArgs e)
{
authcode = cmbselectexam.SelectedItem.ToString();
Questions qs = new Questions();
qs.Show();
this.Hide();
authcode = null; //set authcode as null here
}

FormB(Another source)
public static string setauthcode = "";

setauthcode =txtauthorizationcode.Text;
Questions qs = new Questions();
this.Hide();
qs.Show();
setauthcode = null; //set setauthcode as null here


FormC(recepient)
private void Questions_Load(object sender, EventArgs e)
{

string _code = (TestDetails.setauthcode == null) ? EditQuestions.authcode : TestDetails.setauthcode; // Added this code here

txtauthorizationcode.Text = _code; //removed one line of your code and modified here
}
+2
Jenith Thakkar6y ago
Have you facing that issue in webform?
+2
Farhan Ahmed6y ago
https://grantwinney.com/passing-data-between-two-forms-in-winforms/
+2
Laxmidhar Sahoo6y ago
Hi

is it windows form or web

Thanks and regards
+2