Highlight the row of treeview

I am using one textbox & treeview in my application.

In textbox , i type number of the row of treeview .

I want to highlight the row , of that nr .

I am using this code . But it is not working .

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GtkTreePath *path1;
GtkTreeSelection *selection;

path1 = gtk_tree_path_new_from_string("1");
gtk_tree_selection_select_path(selection,path1);

GtkTreeModel *model;
GtkWidget *treeview;
GtkTreeIter iter;

treeview = lookup_widget(fifteenth_window,"var_treeview");
model = gtk_tree_view_get_model(GTK_TREE_VIEW(treeview));

gtk_tree_model_get_iter_from_string (model, &iter, search_list);
gtk_tree_model_row_changed(model,path1,&iter);

gtk_tree_path_free(path1);

==================================

Any help will be appreciated

Regards

Rahul..

Start Where U R ..
With What U Have ..
Make something About It ..
Never be satisfied ... => Gorge Karver

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