WHy If condition block is getting executed ? : I have this conditions 

    if (txtBoxFatherHusbandName.Text != "" || txtBoxName.Text != "" || txtBoxNICNo.Text != "")
            {
                ShowMsgBox("Please first <b>Save/Update</b> the data being entered in mandatory fields");
    
                txtBoxFatherHusbandName.Focus();
    
                return;
            }

all three textboxes are empty with no text in it but still the conditions is getting executed. why ?