Form cannot be both an MDI child and MDI parent. c#

Question

Form cannot be both an MDI child and MDI parent. But Form Show in MDI Parent Form

Rafnas T P · Answer

hi, try changing as follows in red Daily_Sales_Report abc = new Daily_Sales_Report () ; abc.StartPosition = FormStartPosition.CenterScreen; abc.Show Dialog ();

Jyoti Jodha · Answer

IN MDI Parent Queery is :- Monthly_sales f1 = new Monthly_sales(); f1.MdiParent = this; this.WindowState = FormWindowState.Maximized; // f1.StartPosition = FormStartPosition.CenterScreen; this.Location = new Point(0, 0); this.Size = Screen.PrimaryScreen.WorkingArea.Size; f1.Show(); And In Monthly_sales form Double Click Queery is :- Daily_Sales_Report abc = new Daily_Sales_Report; abc.StartPosition = FormStartPosition.CenterScreen; abc.Show();

Rajkiran Swain · Answer

https://stackoverflow.com/questions/4418604/mdi-parent-form-problem-setting-parent http://www.thecodekey.com/Articles/C_VB/Form_cannot_be_both_MDI_child_and_MDI_parent.aspx https://social.msdn.microsoft.com/Forums/vstudio/en-US/53e70be4-303a-4104-ac21-a5277fb00c22/right-way-to-show-mdi-child-in-mdi-containercant-get-it-to-work-properly?forum=csharpgeneral https://www.codeproject.com/Questions/1100148/Windows-application-mdi-parent-form-error https://www.codeproject.com/Questions/993893/How-Can-fix-this-problem

Shweta Lodha · Answer

Hi Jyoti, Thanks for posting the code, but unfortunately you didn't mention what is your query. Which is your child and which is your parent form?

Jyoti Jodha · Answer

my Queery is Daily_Sales_Report abc = new Daily_Sales_Report; abc.StartPosition = FormStartPosition.CenterScreen; abc.Show();

Shweta Lodha · Answer

What is your query?