using JiangSu.Models;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.SQLite;
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using System.Linq;
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using System.Web;
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namespace JiangSu.cs
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{
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public class GridDAL
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{
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public static List<Grid> SelectAll()
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{
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string sql = "select * from grid";
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DataTable dt = SQLiteHelper.GetDataTable(sql);
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if (null == dt || dt.Rows.Count == 0)
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{
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return null;
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}
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List<Grid> list = ModelHandler.FillModel<Grid>(dt);
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return list;
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}
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public static Grid SelectById(long id)
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{
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string sql = "select * from grid where id = @id";
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SQLiteParameter param = new SQLiteParameter("@id");
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param.Value = id;
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DataTable dt = SQLiteHelper.GetDataTable(sql, param);
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if (null == dt || dt.Rows.Count == 0)
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{
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return null;
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}
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List<Grid> list = ModelHandler.FillModel<Grid>(dt);
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return null == list || list.Count == 0 ? null : list[0];
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}
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public static int DeleteByIds(List<int> ids)
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{
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string str = string.Join(",", ids.ToArray());
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string sql = string.Format("delete from grid where id in ({0})", str);
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return SQLiteHelper.ExecuteNonQuery(sql);
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}
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public static int DelAll()
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{
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return SQLiteHelper.ExecuteNonQuery("delete from grid");
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}
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public static int Insert(Grid grid)
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{
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string sql = "insert into grid (json) values (@json); select last_insert_rowid();";
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SQLiteParameter[] sqlParams = Tools.GetSQLiteParams<Grid>(sql, grid);
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object obj = SQLiteHelper.ExecuteScalar(sql, sqlParams);
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return null == obj ? 0 : Convert.ToInt32(obj);
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}
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public static int UpdateById(Grid grid)
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{
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string sql = "update grid set json = @json where id = @id";
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SQLiteParameter[] sqlParams = Tools.GetSQLiteParams<Grid>(sql, grid);
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return SQLiteHelper.ExecuteNonQuery(sql, sqlParams);
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}
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}
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}
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