init lserp cs 5.0
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using System;
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using System.Data;
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using System.Data.SqlClient;
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using System.Runtime.InteropServices;
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public abstract class SqlHelper
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{
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public static SqlConnection conn;
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protected SqlHelper()
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{
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}
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public static DataSet ExecuteDataSet(CommandType cmdType, string cmdText, string tabName, params SqlParameter[] commandParameters)
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{
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DataSet set;
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SqlCommand cmd = new SqlCommand();
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try
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{
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PrepareCommand(cmd, conn, null, cmdType, cmdText, commandParameters);
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SqlDataAdapter adapter = new SqlDataAdapter(cmd);
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DataSet dataSet = new DataSet();
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adapter.Fill(dataSet, tabName);
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set = dataSet;
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}
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catch
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{
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throw;
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}
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return set;
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}
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public static DataSet ExecuteDataSet(int cmdType, string cmdText, string tabName, params SqlParameter[] commandParameters)
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{
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CommandType text = CommandType.Text;
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switch (cmdType)
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{
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case 4:
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text = CommandType.StoredProcedure;
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break;
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case 512:
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text = CommandType.TableDirect;
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break;
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}
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return ExecuteDataSet(text, cmdText, tabName, commandParameters);
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}
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public static DataSet ExecuteDataSet(string procedureName, string tabName, string[] parameterNames, object[] parameterValues)
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{
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DataSet set;
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try
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{
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SqlCommand selectCommand = new SqlCommand(procedureName, conn) {
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CommandType = CommandType.StoredProcedure
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};
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if ((parameterNames != null) && (parameterValues != null))
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{
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for (int i = 0; (i < parameterNames.Length) && (i < parameterValues.Length); i++)
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{
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selectCommand.Parameters.AddWithValue(parameterNames[i], parameterValues[i]);
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}
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}
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SqlDataAdapter adapter = new SqlDataAdapter(selectCommand);
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DataSet dataSet = new DataSet();
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adapter.Fill(dataSet, tabName);
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set = dataSet;
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}
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catch
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{
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throw;
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}
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return set;
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}
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public static int ExecuteNonQuery(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, conn, null, cmdType, cmdText, commandParameters);
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int num = cmd.ExecuteNonQuery();
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cmd.Parameters.Clear();
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return num;
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}
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public static int ExecuteNonQuery(SqlConnection connection, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, connection, null, cmdType, cmdText, commandParameters);
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int num = cmd.ExecuteNonQuery();
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cmd.Parameters.Clear();
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return num;
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}
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public static int ExecuteNonQuery(SqlTransaction trans, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, trans.Connection, trans, cmdType, cmdText, commandParameters);
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int num = cmd.ExecuteNonQuery();
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cmd.Parameters.Clear();
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return num;
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}
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public static SqlDataReader ExecuteReader(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlDataReader reader;
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SqlCommand cmd = new SqlCommand();
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try
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{
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PrepareCommand(cmd, conn, null, cmdType, cmdText, commandParameters);
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SqlDataReader reader2 = cmd.ExecuteReader();
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cmd.Parameters.Clear();
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reader = reader2;
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}
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catch
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{
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throw;
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}
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return reader;
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}
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public static object ExecuteScalar(CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, conn, null, cmdType, cmdText, commandParameters);
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object obj2 = cmd.ExecuteScalar();
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cmd.Parameters.Clear();
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return obj2;
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}
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public static object ExecuteScalar(SqlConnection connection, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, connection, null, cmdType, cmdText, commandParameters);
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object obj2 = cmd.ExecuteScalar();
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cmd.Parameters.Clear();
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return obj2;
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}
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public static DataTable PageDataQuery(int ToPage, int PageSize, string Sele_mx, string id, string Froms, out int AllRecords)
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{
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return PageDataQuery(ToPage, PageSize, "", "", Sele_mx, id, Froms, out AllRecords);
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}
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public static DataTable PageDataQuery(int ToPage, int PageSize, string Order_by, string Sele_mx, string id, string Froms, out int AllRecords)
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{
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return PageDataQuery(ToPage, PageSize, "", Order_by, Sele_mx, id, Froms, out AllRecords);
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}
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public static DataTable PageDataQuery(int ToPage, int PageSize, string WhereString, string Order_by, string Sele_mx, string id, string Froms, out int AllRecords)
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{
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DataTable table = new DataTable();
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SqlCommand command = new SqlCommand("Common_FenYe", conn) {
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CommandType = CommandType.StoredProcedure
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};
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command.Parameters.Add("@ToPage", SqlDbType.Int).Value = ToPage;
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command.Parameters.Add("@PageSize", SqlDbType.Int).Value = PageSize;
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command.Parameters.Add("@WhereString", SqlDbType.VarChar, 4000).Value = WhereString;
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command.Parameters.Add("@Order_by", SqlDbType.VarChar, 500).Value = Order_by;
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command.Parameters.Add("@Sele_mx", SqlDbType.VarChar, 1000).Value = Sele_mx;
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command.Parameters.Add("@id", SqlDbType.VarChar, 30).Value = id;
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command.Parameters.Add("@Froms", SqlDbType.VarChar, 2000).Value = Froms;
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command.Parameters.Add("@AllRecords", SqlDbType.Int, 4).Direction = ParameterDirection.Output;
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try
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{
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SqlDataReader reader = command.ExecuteReader();
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table.Load(reader);
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reader.Close();
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AllRecords = int.Parse(command.Parameters["@AllRecords"].Value.ToString());
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}
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catch
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{
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throw;
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}
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finally
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{
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command.Dispose();
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}
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return table;
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}
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private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, string cmdText, SqlParameter[] cmdParms)
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{
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if (conn.State != ConnectionState.Open)
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{
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conn.Open();
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}
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cmd.Connection = conn;
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cmd.CommandText = cmdText;
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if (trans != null)
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{
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cmd.Transaction = trans;
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}
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cmd.CommandType = cmdType;
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if (cmdParms != null)
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{
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foreach (SqlParameter parameter in cmdParms)
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{
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cmd.Parameters.Add(parameter);
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}
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}
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}
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}
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