performance testing - How to take multiple values of a column in single column field in HP loadrunner -

i have 1 script in hp-loadrunner, want take multiple values of column in single field.

i have this:

variable1

test1

test2

test3

test4

i trying this:

variale1

test1,test2,test3,test4

i tried writing 'c' code solve unfortunately not able find proper solution.

is possible writing code change single column field during 1st test run , take values single column field ?

kindly me out, either in terms of writing 'c' code in script or change in excel/.dat file.

i think faced same problem try this:-

 long fp;  int i,j;  char *searchvalue;  char ch[10];   action() {    fp=fopen("external file path","w");           for(i=1;i<=5;i++)    {    fputs("\"",fp);    fputs(lr_eval_string("{internal file parameter}"),fp);                    for(j=1;j<=10;j++)     {         fputs(",",fp);         fputs(lr_eval_string("{internal file parameter}"),fp);      }      fputs("\"",fp);      fputs("\n",fp);                         }    fclose(fp);      return 0; }