I used this logic inside for loop, the custom datas are successfully updating inside Datatable. Thanks for your help.
updateValues = Things[DataTableName].GetDataTableEntries();
updateValues[i].Details[0].Name = Name1;
updateValues[i].Details[1].Name = Name2;
updateValues[i].Details[2].Name = Name3;
updateValues[i].Details[3].Name = Name4;
updateValues[i].Details[4].Name = Name5;
updateValues[i].Details[5].Name = Name6;// INFOTABLE
var params1 = {
tags : undefined,
source : undefined,
values : updateValues,
location : undefined
};
// UpdateDataTableEntries(tags:TAGS, source:STRING("me.name"), values:INFOTABLE(DTName), location:LOCATION):STRING
Things[DataTableName].UpdateDataTableEntries(params1);