コード例 #1
0
        public void ExecuteQuery(DataTable dst, string tableName)
        {
            sqlConn = new SqlConnection(connectionString);
            sqlConn.Open();
            SqlCommandBuilder objCommandBuilder = new SqlCommandBuilder(adapterForEdit);

            adapterForEdit.InsertCommand = objCommandBuilder.GetInsertCommand();
            int    i        = 0;
            string uCommand = "update " + tableName + " set ";

            foreach (DataColumn clmn in dst.Columns)
            {
                if (i == dst.Columns.Count - 1)
                {
                    uCommand += "[" + clmn.ColumnName + "]" + " = @p3 ";
                }
                i++;
            }
            uCommand += "where ";
            i         = 0;
            string dCommand = "delete from " + tableName + " where ";

            foreach (DataColumn clmn in dst.Columns)
            {
                if (i == 0 || i == 1)
                {
                    uCommand += "[" + clmn.ColumnName + "] = @p" + i + " and ";
                    dCommand += "[" + clmn.ColumnName + "] = @p" + i + " and ";
                }
                else if (i == 2)
                {
                    uCommand += "[" + clmn.ColumnName + "] = @p" + i + "";
                    dCommand += "[" + clmn.ColumnName + "] = @p" + i + "";
                }
                i++;
            }

            SqlCommand updateCommand = new SqlCommand(uCommand, sqlConn);
            SqlCommand deleteCommand = new SqlCommand(dCommand, sqlConn);

            i = 0;
            foreach (DataColumn clmn in dst.Columns)
            {
                updateCommand.Parameters.Add("@p" + i, SqlDbTypeConvertor.ToSqlDbType(clmn.DataType));
                updateCommand.Parameters[i].SourceColumn = clmn.ColumnName;

                deleteCommand.Parameters.Add("@p" + i, SqlDbTypeConvertor.ToSqlDbType(clmn.DataType));
                deleteCommand.Parameters[i].SourceColumn = clmn.ColumnName;
                i++;
            }
            adapterForEdit.UpdateCommand = updateCommand;
            adapterForEdit.DeleteCommand = deleteCommand;

            int res = adapterForEdit.Update(dst);

            sqlConn.Close();
        }
コード例 #2
0
        public void ExecuteQuery(DataTable dst, string tableName, string columnName1, string columnName2)
        {
            sqlConn = new SqlConnection(connectionString);
            sqlConn.Open();
            SqlCommandBuilder objCommandBuilder = new SqlCommandBuilder(adapterForEdit);

            adapterForEdit.InsertCommand = objCommandBuilder.GetInsertCommand();
            int    i        = 0;
            string uCommand = "update " + tableName + " set ";
            string dCommand = "delete from " + tableName + " where " + columnName1 + " = @p1 and " + columnName2 + " = @p2";

            foreach (DataColumn clmn in dst.Columns)
            {
                if (clmn.ColumnName != columnName1 && clmn.ColumnName != columnName2)
                {
                    if (i != dst.Columns.Count - 1)
                    {
                        uCommand += "[" + clmn.ColumnName + "] = @p" + i + ", ";
                    }
                    else
                    {
                        uCommand += "[" + clmn.ColumnName + "] = @p" + i + " ";
                    }
                    i++;
                }
            }
            //if (tableName == "tblAddShifrSkvVar")
            uCommand  = uCommand.Remove(uCommand.Count() - 2, 1);
            uCommand += "where " + columnName1 + " = @p" + i + " and " + columnName2 + " = @p" + (i + 1);

            SqlCommand updateCommand = new SqlCommand(uCommand, sqlConn);
            SqlCommand deleteCommand = new SqlCommand(dCommand, sqlConn);


            i = 0;
            Type type1 = typeof(Int32);
            Type type2 = typeof(Int32);

            foreach (DataColumn clmn in dst.Columns)
            {
                if (clmn.ColumnName != columnName1 && clmn.ColumnName != columnName2)
                {
                    updateCommand.Parameters.Add("@p" + i, SqlDbTypeConvertor.ToSqlDbType(clmn.DataType));
                    //if (clmn.ColumnName == columnName)
                    updateCommand.Parameters[i].SourceColumn = clmn.ColumnName;
                    i++;
                }
                else if (clmn.ColumnName == columnName1)
                {
                    type1 = clmn.DataType;
                }
                else
                {
                    type2 = clmn.DataType;
                }


                //sqlParameter.SqlDbType = clmn.DataType;
            }
            deleteCommand.Parameters.Add("@p1", SqlDbTypeConvertor.ToSqlDbType(type1), 55, columnName1);
            deleteCommand.Parameters.Add("@p2", SqlDbTypeConvertor.ToSqlDbType(type2), 55, columnName2);
            updateCommand.Parameters.Add("@p" + i, SqlDbTypeConvertor.ToSqlDbType(type1), 55, columnName1);
            updateCommand.Parameters.Add("@p" + (i + 1), SqlDbTypeConvertor.ToSqlDbType(type2), 55, columnName2);
            adapterForEdit.UpdateCommand = updateCommand;
            adapterForEdit.DeleteCommand = deleteCommand;
            //adapterForEdit.UpdateCommand = objCommandBuilder.GetUpdateCommand();
            //adapterForEdit.DeleteCommand = objCommandBuilder.GetDeleteCommand(); //CommandText = "DELETE FROM  WHERE (([id] = @p1))"

            int res = adapterForEdit.Update(dst);

            sqlConn.Close();
            //return mainDataset;
        }