How to transfer data from one form to another in winforms c#?

Question

1. I want to create at 5-6 forms in windows application to insert data.
2. Each form contain at-least 15-20 Controls. All Forms Belongs to different table. But some with same.
3. I have to created stored "Next"named button on each form, such that when i click on next button all the information filled on that button get store some where
   and in this way after storing the information on the last button where a Submit button is dragged, on clicking on that submit button all the data got saved into the data base.
4. Please tell me how can i store the data inserted on previous forms and call it on click event of submit button.

For now i am having all the controls on the same page and i have used these codes for insertion.

 private void submit_addbtn_Click(object sender, EventArgs e)
        {
            try
            {
                //personal data insert
                Personal per = new Personal();
                per.Name = nametxt.Text;
                per.FatherName = f_nametxt.Text;
                per.MotherName = m_nametxt.Text;
                per.Gotra = gotra_txt.Text;
                per.Panth = panthcb.Text;
                per.FamilyHead = fhntext.Text;
                per.Educationlvl = edulvlcb.Text;
                per.Education = educb.Text;
                per.Blood = bloodcb.Text;
                per.Gender = genderlist.Text;
                per.Marrital = MarritalStatus;
                per.DateOfBirth = dobdtp.Text;
                if (new InsertAction().Insertpersonal(per))
                {
                    MessageBox.Show("Personal Insertion Happen ");
                }
                else
                {
                    MessageBox.Show(" Personal Insertion does not Happen ");
                }

                // spouse data insert
                Spouse sps = new Spouse();
                sps.Spousename = s_nametxt.Text;
                sps.Spouseeducationlvl = s_edulvlcb.Text;
                sps.Spouseeducation = s_educb.Text;
                sps.Spouseblood = s_bgcb.Text;
                sps.Spousedob = s_dobdtp.Text;
                if (new InsertAction().Insertspouse(sps))
                {
                    MessageBox.Show(" Spouse Insertion Happen ");
                }
                else
                {
                    MessageBox.Show(" Spouse Insertion does not Happen ");
                }

                // Resident data insert
                Ressident resi = new Ressident();
                resi.RessiHnumber = ressi_numtxt.Text;
                resi.RessihCmplx = ressi_complextxt.Text;
                resi.RessiStrt = ressi_streettxt.Text;
                resi.RessiLandmrk = ressi_landtxt.Text;
                resi.RessiArea = ressi_areatxt.Text;
                resi.RessiCity = ressi_citytxt.Text;
                resi.RessiPhone = Convert.ToInt64(ressi_phnotxt.Text);
                resi.RessiMobile = Convert.ToInt64(mobi_notxt.Text);
                if (new InsertAction().Insertressident(resi))
                {
                    MessageBox.Show(" Ressident Insertion Happen ");
                }
                else
                {
                    MessageBox.Show(" Ressident Insertion does not Happen ");
                }
                //occupation data insert
                Occupation ocp = new Occupation();
                ocp.Occuptype = occup_typetxt.Text;
                ocp.Occupadd = office_addresstxt.Text;
                ocp.Occupnature = occup_naturecb.Text;
                ocp.Occupphone = Convert.ToInt64(office_phno1txt.Text);
                ocp.Occupmobile = Convert.ToInt64(office_mobnotxt.Text);
                if (new InsertAction().Insertoccupation(ocp))
                {
                    MessageBox.Show(" Occupation Insertion Happen ");
                }
                else
                {
                    MessageBox.Show(" Occupation Insertion does not Happen ");
                }


            }

Please Help me. Thank you.

Answer 1

For sending values between two forms, you may

1-> Send the values in the constructor of the second form. You may create a paramterized constructor and send the values when you initialize the form as :

 Form1 obj = new Form1(Object);

2-> You may take a reference in to your first form in the second form.

In second form,

public Form1 objForm1;

and in First Form,

Form2 objForm2=new Form2();
Form2.objForm1=this;

and then you can use Form2's objForm1 to refer to Form1's textbox or any control.

EDIT :

Consider you want to send all values from Form1 to Form2

In your second form you must have a variable of type Form1 that refers to the prev form. So in second form,

public Form1 objForm1;

and then you need to send the current instance of the Form1 to Form2 as

Form2 objForm2=new Form2();
Form2.objForm1=this;

ie the objForm1 that you created in Form2 refers to this instance of Form1.

Now in Form2 you may use any of Form1's control or variable as,

Form1.TextBox1 or Form1.Variable