/// <summary>
/// Shows how to get the total number of records based on Search Parameters.
/// </summary>
private void GetRecordCountDynamicWhere()
{
// search parameters, everything is nullable, only items being searched for should be filled
// note: fields with String type uses a LIKE search, everything else uses an exact match
// also, every field you're searching for uses the AND operator
// e.g. int? productID = 1; string productName = "ch";
// will translate to: SELECT....WHERE productID = 1 AND productName LIKE '%ch%'
int? enquiryId = null;
int? courseId = null;
string studentName = null;
Int64? contactNo = null;
string comments = null;
int totalRecordCount = Enquiry.GetRecordCountDynamicWhere(enquiryId, courseId, studentName, contactNo, comments);
}
/// <summary>
/// Gets the list of data for use by the jqgrid plug-in
/// </summary>
public IActionResult OnGetGridDataWithFilters(string sidx, string sord, int _page, int rows, string filters)
{
int? enquiryId = null;
int? courseId = null;
string studentName = String.Empty;
Int64? contactNo = null;
string comments = String.Empty;
if (!String.IsNullOrEmpty(filters))
{
// deserialize json and get values being searched
var jsonResult = JsonConvert.DeserializeObject <Dictionary <string, dynamic> >(filters);
foreach (var rule in jsonResult["rules"])
{
if (rule["field"].Value.ToLower() == "enquiryid")
{
enquiryId = Convert.ToInt32(rule["data"].Value);
}
if (rule["field"].Value.ToLower() == "courseid")
{
courseId = Convert.ToInt32(rule["data"].Value);
}
if (rule["field"].Value.ToLower() == "studentname")
{
studentName = rule["data"].Value;
}
if (rule["field"].Value.ToLower() == "contactno")
{
contactNo = Convert.ToInt64(rule["data"].Value);
}
if (rule["field"].Value.ToLower() == "comments")
{
comments = rule["data"].Value;
}
}
// sometimes jqgrid assigns a -1 to numeric fields when no value is assigned
// instead of assigning a null, we'll correct this here
if (enquiryId == -1)
{
enquiryId = null;
}
if (courseId == -1)
{
courseId = null;
}
if (contactNo == -1)
{
contactNo = null;
}
}
int totalRecords = Enquiry.GetRecordCountDynamicWhere(enquiryId, courseId, studentName, contactNo, comments);
int startRowIndex = ((_page * rows) - rows);
List <Enquiry> objEnquiryCol = Enquiry.SelectSkipAndTakeDynamicWhere(enquiryId, courseId, studentName, contactNo, comments, rows, startRowIndex, sidx + " " + sord);
int totalPages = (int)Math.Ceiling((float)totalRecords / (float)rows);
if (objEnquiryCol is null)
{
return(new JsonResult("{ total = 0, page = 0, records = 0, rows = null }"));
}
var jsonData = new
{
total = totalPages,
_page,
records = totalRecords,
rows = (
from objEnquiry in objEnquiryCol
select new
{
id = objEnquiry.EnquiryId,
cell = new string[] {
objEnquiry.EnquiryId.ToString(),
objEnquiry.CourseId.ToString(),
objEnquiry.StudentName,
objEnquiry.ContactNo.ToString(),
objEnquiry.Comments
}
}).ToArray()
};
return(new JsonResult(jsonData));
}