public GridModel LoadGridModel(GridParameter parameters, string cmdText)
{
IDataReader reader = null;
try
{
if (parameters.ExportType.IsNotNullOrEmpty())
{
return(LoadGridExport(parameters, cmdText));
}
GridModel gridModel = new GridModel();
List <Dictionary <string, object> > dictionaryList = new List <Dictionary <string, object> >();
List <string> stringList = new List <string>();
int num = 0;
cmdText = MakeSearchQuery(parameters, cmdText);
if (parameters.searchBy.IsNotNullOrEmpty() && parameters.search.IsNotNullOrEmpty())
{
reader = ExecuteReader(cmdText, (object)parameters.search);
}
else
{
reader = ExecuteReader(cmdText);
}
for (int i = 0; i < reader.FieldCount; ++i)
{
string name = reader.GetName(i);
if (name != "TotalRows")
{
stringList.Add(name);
}
}
if (reader.Read())
{
if (parameters.ServerPagination)
{
num = Convert.ToInt32(reader["TotalRows"]);
}
dictionaryList.Add(GetFields(stringList, reader));
}
while (reader.Read())
{
dictionaryList.Add(GetFields(stringList, reader));
}
gridModel.rows = dictionaryList;
gridModel.total = parameters.ServerPagination ? num : dictionaryList.Count;
return(gridModel);
}
finally
{
reader.CloseReader();
}
}
private GridModel LoadGridExport(GridParameter parameters, string commandText)
{
IDataReader reader = null;
try
{
GridModel gridModel = new GridModel();
commandText = MakeSearchQuery(parameters, commandText);
reader = ExecuteReader(commandText);
gridModel.source = DbUtil.DataReaderToDataSet(reader);
return(gridModel);
}
finally
{
reader.CloseReader();
}
}
private static string MakeSearchQuery(GridParameter parameters, string sql)
{
string str1 = string.Empty;
string str2 = string.Empty;
string str3 = string.Empty;
if (parameters.searchBy.IsNotNullOrEmpty() && parameters.search.IsNotNullOrEmpty())
{
str1 = string.Format("WHERE {0} LIKE @0", parameters.searchBy);
}
if (parameters.sort.IsNotNullOrEmpty() && parameters.order.IsNotNullOrEmpty())
{
str2 = string.Format("ORDER BY {0} {1}", parameters.sort, parameters.order);
}
if (parameters.ServerPagination)
{
str3 = string.Format("OFFSET {0} ROWS FETCH NEXT {1} ROWS ONLY", parameters.offset, parameters.Limit);
}
return(string.Format("SELECT *, COUNT(*) OVER () AS TotalRows\r\n FROM (\r\n\t {0}\r\n ) AS TAB\r\n {1}\r\n {2}\r\n {3}", sql, str1, str2, str3));
}
