/*
* Pre: id must be an integer or the empty string
* Post: The input parameters are used to search for existing contacts. Matching contact
* information is displayed in the input gridview.
* @param gridView is the gridView in which the search results will be displayed
* @param id is the id being searched for - must be an integer or the empty string
* @param firstName is all or part of the first name being searched for
* @param lastName is all or part of the last name being searched for
* @param districtId is the district of contacts that should be searched
* @returns true if results were found and false otherwise
*/
private bool searchContacts(GridView gridView, string id, string firstName, string lastName, string session, int districtId)
{
bool result = true;
try
{
DataTable table = DbInterfaceContact.GetContactSearchResults(id, firstName, lastName, districtId);
//If there are results in the table, display them. Otherwise clear current
//results and return false
if (table != null && table.Rows.Count > 0)
{
gridView.DataSource = table;
gridView.DataBind();
//save the data for quick re-binding upon paging
Session[session] = table;
}
else if (table != null && table.Rows.Count == 0)
{
clearGridView(gridView);
result = false;
}
else if (table == null)
{
lblContactSearchError.Text = "An error occurred. Please make sure all entered data is valid.";
lblContactSearchError.Visible = true;
}
}
catch (Exception e)
{
lblContactSearchError.Text = "An error occurred. Please make sure all entered data is valid.";
lblContactSearchError.Visible = true;
//log issue in database
Utility.LogError("Register Contacts", "searchContacts", gridView.ID + ", " + id + ", " + firstName + ", " + lastName + ", " + session, "Message: " + e.Message + " Stack Trace: " + e.StackTrace, -1);
}
return(result);
}
