65 lines
2.3 KiB
C#
65 lines
2.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace WinformGeneralDeveloperFrame.Commons
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{
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/// <summary>
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/// 获取datatable帮助类
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/// </summary>
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public class GetDataTableUtils
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{
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public static DataTable SqlTable(string name)
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{
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string connstring = EncodeHelper.AES_Decrypt(ConfigurationManager.ConnectionStrings["DB"].ConnectionString);
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string sql = "";
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string url = "";
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DataTable dt1 = new DataTable();
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DataTable dt = new DataTable();
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using (var con = new SqlConnection(connstring))
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{
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con.Open();
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SqlCommand cmd = new SqlCommand($"select * from sysDataTable where DataTableName='{name}'", con);
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cmd.CommandType = CommandType.Text;
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SqlDataAdapter sqlda = new SqlDataAdapter(cmd);
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sqlda.Fill(dt1);
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if (dt1.Rows.Count > 0)
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{
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sql = dt1.Rows[0]["DataTableSql"].ToString();
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url = dt1.Rows[0]["DataTableUrl"].ToString();
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using (var con1 = new SqlConnection(url))
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{
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con1.Open();
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SqlCommand cmd1 = new SqlCommand(sql, con1);
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cmd1.CommandType = CommandType.Text;
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SqlDataAdapter sqlda1 = new SqlDataAdapter(cmd1);
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sqlda1.Fill(dt);
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}
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}
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}
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return dt;
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}
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public static DataTable SqlTableBySql(string sql)
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{
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string connstring = EncodeHelper.AES_Decrypt(ConfigurationManager.ConnectionStrings["DB"].ConnectionString);
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DataTable dt = new DataTable();
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using (var con = new SqlConnection(connstring))
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{
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con.Open();
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SqlCommand cmd = new SqlCommand(sql, con);
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cmd.CommandType = CommandType.Text;
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SqlDataAdapter sqlda = new SqlDataAdapter(cmd);
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sqlda.Fill(dt);
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}
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return dt;
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}
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}
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}
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