internal static string ConstructLinqFilterExpression(JQAutoComplete autoComplete, Util.SearchArguments args)
{
Guard.IsNotNull(autoComplete.DataField, "DataField", "must be set in order to perform search operations. If you get this error from search/export method, make sure you setup(initialize) the grid again prior to filtering/exporting.");
string filterExpressionCompare = "{0} {1} \"{2}\"";
return(Util.GetLinqExpression(filterExpressionCompare, args, false, typeof(string)));
}
private static string ConstructLinqFilterExpression(JQGrid grid, Util.SearchArguments args)
{
JQGridColumn jQGridColumn = grid.Columns.Find((JQGridColumn c) => c.DataField == args.SearchColumn);
if (jQGridColumn == null)
{
throw new Exception("JqGridColumn ûÓÐÉèÖÃ");
}
if (jQGridColumn.DataType == null)
{
throw new DataTypeNotSetException("JQGridColumn.DataType must be set in order to perform search operations.");
}
string filterExpressionCompare = (jQGridColumn.DataType == typeof(string)) ? "{0} {1} \"{2}\"" : "{0} {1} {2}";
if (jQGridColumn.DataType == typeof(DateTime))
{
if (!string.IsNullOrEmpty(args.SearchString))
{
DateTime dateTime = DateTime.Parse(args.SearchString);
string str = string.Format("({0},{1},{2},{3},{4},{5})", dateTime.Year, dateTime.Month, dateTime.Day, dateTime.Hour, dateTime.Minute, dateTime.Second);
filterExpressionCompare = "{0} {1} DateTime" + str;
}
}
//string str2 = string.Format("{0} != null AND ", args.SearchColumn);
string str2 = "";
if (jQGridColumn.DataType == typeof(Guid))
{
filterExpressionCompare = "{0} {1} Guid(\"{2}\")";
//str2 = "";//string.Format("{0} != Guid.Empty AND ", args.SearchColumn);
}
return(str2 + Util.GetLinqExpression(filterExpressionCompare, args, jQGridColumn.SearchCaseSensitive, jQGridColumn.DataType));
}
