Datagrid column not appearing on change cobmobox
Hi  i have a datagrid which i am populating on change of cobmobox selection. 
problem i am facing is when i am changing combobox selection ,number of columns it should display in datagrid is missing 
i.e : if some combobox selection have three columns it is coming correct but when i change combobox selection having four columns to display it is displaying only three columns.


But when i close this windows and open again it is displaying all four columns correctly.

i am using this code in designer 

this.ApplicationObjectRecords.AutoSizeColumnsMode=System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
i am attaching snapshot for clarity 
requirement is 1st snapshot ![enter image description here][1]
but i am getting 2nd ![enter image description here][2] on change of combobox

project type column is missing here.



please help 
work in progress..


  [1]: http://i.stack.imgur.com/ctRan.png
  [2]: http://i.stack.imgur.com/AxgSc.png
Datagrid column not appearing on change cobmobox
===

Hi  i have a datagrid which i am populating on change of cobmobox selection. 
problem i am facing is when i am changing combobox selection ,number of columns it should display in datagrid is missing 
i.e : if some combobox selection have three columns it is coming correct but when i change combobox selection having four columns to display it is displaying only three columns.


But when i close this windows and open again it is displaying all four columns correctly.

i am using this code in designer 

this.ApplicationObjectRecords.AutoSizeColumnsMode=System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
i am attaching snapshot for clarity 
requirement is 1st snapshot ![enter image description here][1]
but i am getting 2nd ![enter image description here][2] on change of combobox

project type column is missing here.



please help 
work in progress..


  [1]: http://i.stack.imgur.com/ctRan.png
  [2]: http://i.stack.imgur.com/AxgSc.png