iphone - How to reload UITableView step by step? -

i working on application , have show 10 records in table view 1 time if user want see more records user have click on "see more records" cell, user able see more records.

if 1 know please give me solution. thanx

this simple prototype of can do:

-(nsinteger)numberofsectionsintableview:(uitableview *)tableview{     return 1; } -(nsinteger)tableview:(uitableview *)tableview numberofrowsinsection:(nsinteger)section{      if ([self.tabledata count]>window) {         return window+1;     }     else{         return [self.tabledata count];     } } -(uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath{     static nsstring *cellidentifier = @"cell";      uitableviewcell *cell = [tableview dequeuereusablecellwithidentifier:cellidentifier];     if (cell == nil) {         cell = [[[uitableviewcell alloc] initwithstyle:uitableviewcellstyledefault reuseidentifier:cellidentifier] autorelease];     }     if (indexpath.row<window) {         cell.textlabel.text=[self.tabledata objectatindex:indexpath.row];      }    else{         cell.textlabel.text=@"loadmore";      }     return cell;    } -(void)tableview:(uitableview *)tableview didselectrowatindexpath:(nsindexpath *)indexpath{     if (indexpath.row==window) {         window=window+step;         [tableview reloaddata];      }  } 

table data array contains data want show in tableview, window number of lines show , used set range of show, step number of new items add in every new load