Hi Naveen, I am also facing same requirement, I did the same what you have writeen . still my result list is not coming in Edit mode.
<chtmlb:configTable xml = "<%= lv_xml %>"
id = "ResTable"
navigationMode = "BYPAGE"
onRowSelection = "select"
table = "//Result/Table"
width = "100%"
allRowsEditable = "TRUE"
hasLeadSelection = "TRUE"
visibleRowCount = "<%= lv_lines %>"
downloadToExcel = "<%= controller->gv_downloadtoexcel %>"
actions = "<%= controller->gt_button %>"
actionsMaxInRow = "4"
selectionMode = "MULTILINEEDIT"
selectedRowIndexTable = "<%= Result->SELECTION_TAB %>"
selectedRowIndex = "<%= Result->SELECTED_INDEX %>"
visibleFirstRow = "<%= Result->visible_first_row_index %>"
usage = "SEARCHRESULT"
regards,, ajay