Easyui combogrid drop-down box smart input

1. Background code

Using System;
Using System.Collections;
Using System.Collections.Generic;
Using System.Linq;
Using System.Reflection;
Using System.Web;
Using Contract.domain;
Using Webapp.common;

Namespace Hraweb.common
{
<summary>
Summary description of Entityjsonlist
</summary>
public class Entityjsonlist:basepage, IHttpHandler, System.Web.SessionState.IRequiresSessionState
{

Public PropertyInfo Getproperyinfo (string Name, propertyinfo[] PS)
{
PropertyInfo p1 = null;
Ps. ToList (). ForEach (p =
{
if (p.name = = Name)
{
P1 = p;
}
});
return p1;
}
public void ProcessRequest (HttpContext context)
{
Context. Response.ContentType = "Text/plain";
Context. Response.Cache.SetCacheability (Httpcacheability.nocache);
Switch (context. request["_method"])
{
Case "Entity":
String EntityType = context. request["EntityType"];
info = new Framework.queryinfo ();
Info. Queryobject = EntityType;
if (!string. IsNullOrEmpty (context. Request["where"]))
{
Info. Where.add ("KK", "and" + context.) Request["where"]);
}
var keyword = context. request["keyword"]?? String. Empty;
if (!string. IsNullOrEmpty (keyword))
{
Hashtable aa=new Hashtable ();
Aa. ADD (context. request["Querytextfild"]. ToString () + "_lk", keyword);
Info. AddParam (AA);
Info. Where.add ("Kk2", String. Format ("and {0} like '%:{1}% '", context. request["Querytextfild"],keyword));
}
Info. PageSize = Int. Parse (httpcontext.current.request["Rows"]);
int pageIndex = Int. Parse (httpcontext.current.request["page"]);
Info. Startrecord = (pageIndex-1) * Info. PageSize;
Info. TotalCount = 1;
if (!string. IsNullOrEmpty (context. request.querystring["Queryfild"]))
{
string[] field = context. request.querystring["Queryfild"]. Split (new char[] {' | '});
foreach (String q in field)
{
Info. AddParam (q, Context.) request.querystring["Q"], string. Format ("and {0} like '%:{0}% '", q));
}
}
info = dao.findbyqueryinfo (info);
Type type = NULL;
propertyinfo[] PS = null;
if (info. List! = null && info. List.count > 0)
{
Type = info. List[0]. GetType ();
PS = type. GetProperties ();
}
BOOL Idboolean = false;
foreach (var b in info.) List)
{

PropertyInfo Idfieldinfo = getproperyinfo (context. request["Idfild"], PS);
String idfieldvalue = Convert.ToString (Idfieldinfo.getvalue (b, null));
if (!string. IsNullOrEmpty (context. request["DefaultValue"]))
{
if (idfieldvalue.equals (context. request["DefaultValue"]))
{
Idboolean = true;
Break
}
}
}
if (!string. IsNullOrEmpty (context. request["DefaultValue"]))
{
Framework.queryinfo tmpinfo = new Framework.queryinfo ();
Tmpinfo.queryobject = EntityType;
if (!string. IsNullOrEmpty (context. request["Idfild"]))
Tmpinfo.addparam (context. request["Idfild"], context. request["DefaultValue"]);
var list = dao.findlist (Tmpinfo);
foreach (object obj in list)
{
if (!idboolean)
{
Info. List.add (obj);
}
}
}
Datagridjson d = new Datagridjson (info. TotalCount, Info. List);
HttpContext.Current.Response.Write (Newtonsoft.Json.JsonConvert.SerializeObject (d));
Break
Case "Dict":
var t = Getdicttype (context. request["Dicttype"]);
Ilist<sysdict> dictlist= holworth.utility.utility.listtot<sysdict> (t);
Two filters using LINQ based on keywords
var keyword2 = context. request["keyword"]?? String. Empty;
if (!string. IsNullOrEmpty (KEYWORD2))
{
Dictlist = dictlist.where (x = X.name.contains (Keyword2)). ToList ();
}
string ss = Newtonsoft.Json.JsonConvert.SerializeObject (dictlist);
Context. Response.Write (ss);
Break
Case "AA":
var ts = getdicttype (context. request["Dicttype"]);
String sss = Newtonsoft.Json.JsonConvert.SerializeObject (ts);
Context. Response.Write (SSS);
Break
}
}

public bool IsReusable
{
Get
{
return false;
}
}
}
}

2. Drop-down box entity foreground code

This. Setentitycombo = function (obj, EntityType, TextField, columns, where, Idfild, Queryfild) {
var url = '/common/entityjsonlist.ashx?entitytype= ' + entityType + ' &_method=entity&tmp= ' + math.random () + ' & ; querytextfild= ' + TextField;
if (where) {
URL + = "&where=" + where;
}
if (obj.val () = "") {
URL + = "&defaultvalue=" + obj.val ();
}

var id = ' ID ';
if (idfild) {
id = idfild;
}
URL + = "&idfild=" + ID;
if (queryfild) {
URL + = "&queryfild=" + queryfild;
// }
Obj.combogrid ({
PANELWIDTH:500,
Idfield:id,
Textfield:textfield,
Url:url,
Method: ' Get ',
delay:1000,
Pagination:true,//whether paging
Rownumbers:true,//serial number
Pagesize:10,//number of records displayed per page, default is 10
PageList: [10],//can set a list of the number of record bars per page
Columns:columns,
Striped:true,
Editable:true,
Collapsible:false,//Can be folded
Fit:true,//Auto Size
Keyhandler: {
Up:function () {//"up key" to defer processing
Access to selected BOC
var selected = Obj.combogrid (' grid '). DataGrid (' getselected ');
if (selected) {
Get the rowindex of the selected row
var index = obj.combogrid (' grid '). DataGrid (' Getrowindex ', selected);
Move up to the first action stop
if (Index > 0) {
Obj.combogrid (' Grid '). DataGrid (' SelectRow ', index-1);
}
} else {
var rows = Obj.combogrid (' grid '). DataGrid (' GetRows ');
Obj.combogrid (' Grid '). DataGrid (' SelectRow ', rows.length-1);
}
},
Down:function () {//"down arrow" to defer processing
Access to selected BOC
var selected = Obj.combogrid (' grid '). DataGrid (' getselected ');
if (selected) {
Get the rowindex of the selected row
var index = obj.combogrid (' grid '). DataGrid (' Getrowindex ', selected);
Move down to the last line of the page
if (Index < Obj.combogrid (' grid '). DataGrid (' GetData '). Rows.length-1) {
Obj.combogrid (' Grid '). DataGrid (' SelectRow ', index + 1);
}
} else {
Obj.combogrid (' Grid '). DataGrid (' SelectRow ', 0);
}
},
Enter:function () {//"enter" to defer processing

Obj.combogrid (' Hidepanel ');
},
Query:function (keyword) {//"Dynamic Search" processing
Set query parameters
var queryparams = Obj.combogrid ("Grid"). DataGrid (' Options '). Queryparams;
Queryparams.keyword = keyword;
Obj.combogrid ("Grid"). DataGrid (' Options '). Queryparams = Queryparams;
Reload
Obj.combogrid ("Grid"). DataGrid ("Reload");

Obj.combogrid ("setValue", keyword);
}
},
Mode: ' Remote ',
Fitcolumns:true
});
}

Data dictionary drop-down box foreground code

This. Setdict = function (obj, dictype) {
Obj.combogrid ({
PANELWIDTH:250,
IDfield: ' Code ',
TextField: ' Name ',
URL: '/common/entityjsonlist.ashx?_method=dict&dicttype= ' + dictype + "&tmp=" + math.random () + ' & Querytextfild=name ',
Method: ' Get ',
delay:1000,
Columns: [[
{field: ' Name ', title: ' Names ', width:100},
{field: ' Code ', title: ' Code ', width:100}
]],
Striped:true,
Editable:true,
Collapsible:false,//Can be folded
Fit:true,//Auto Size
Keyhandler: {
Up:function () {//"up key" to defer processing
Access to selected BOC
var selected = Obj.combogrid (' grid '). DataGrid (' getselected ');
if (selected) {
Get the rowindex of the selected row
var index = obj.combogrid (' grid '). DataGrid (' Getrowindex ', selected);
Move up to the first action stop
if (Index > 0) {
Obj.combogrid (' Grid '). DataGrid (' SelectRow ', index-1);
}
} else {
var rows = Obj.combogrid (' grid '). DataGrid (' GetRows ');
Obj.combogrid (' Grid '). DataGrid (' SelectRow ', rows.length-1);
}
},
Down:function () {//"down arrow" to defer processing
Access to selected BOC
var selected = Obj.combogrid (' grid '). DataGrid (' getselected ');
if (selected) {
Get the rowindex of the selected row
var index = obj.combogrid (' grid '). DataGrid (' Getrowindex ', selected);
Move down to the last line of the page
if (Index < Obj.combogrid (' grid '). DataGrid (' GetData '). Rows.length-1) {
Obj.combogrid (' Grid '). DataGrid (' SelectRow ', index + 1);
}
} else {
Obj.combogrid (' Grid '). DataGrid (' SelectRow ', 0);
}
},
Enter:function () {//"enter" to defer processing
Obj.combogrid (' Hidepanel ');
},
Query:function (keyword) {//"Dynamic Search" processing
Set query parameters
var queryparams = Obj.combogrid ("Grid"). DataGrid (' Options '). Queryparams;
Queryparams.keyword = keyword;
Obj.combogrid ("Grid"). DataGrid (' Options '). Queryparams = Queryparams;
Reload
Obj.combogrid ("Grid"). DataGrid ("Reload");

Obj.combogrid ("setValue", keyword);
}
},
Mode: ' Remote ',
Fitcolumns:true
});
}

Easyui combogrid drop-down box smart input