Specified cast not valid

[Adam K.]

i am trying to set the value of a combobox cell with the following code:

gridcontrol1[gridcontrol1.RowCount, CurCol].Text = ti.defaultvalue;

where defaultvalue is a string.

I am getting a runtime error (invalid cast exceptions: Specified cast not valid)l

thanks,

ak

[Administrator]

Are you using style.DataSource, Style.DisplayeMember, style.ValueMember to set up the combobox cell? If so, is your ValueMember a string? If not, then you should not be setting .Text. Instead set .CellValue = to the object (of the proper type).

[Adam K.]

i am setting it up as a combo box with following code

_g[_g.RowCount, CurCol].ChoiceList = ti.enumeration;

_g[_g.RowCount, CurCol].CellType = "ComboBox";

where ti.enumeration is a StringCollection
please let me know your thoughts.

thanks,

ak

[Administrator]

Here is sample set up you described.
http://www.syncfusion.com/Support/user/uploads/GC_Combobox_5b7f9a8f.zip

It seems to work OK. Do you have other settings like style.DropDownStyle or style.Exclusive or style.CellValueType that might be affecting this.